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A VPN can route internet traffic from smart-home devices that cannot run a VPN app, but only if your router supports VPN client mode and the provider supplies a compatible configuration. For 2026, VPNAlert’s September roundup names NordVPN, ExpressVPN, PrivateVPN and Private Internet Access among its picks; Proton VPN is another option with documented router setup support. None is automatically best for every home: check your exact router, firmware, protocol needs and device-routing controls before choosing.
That distinction matters because “VPN for IoT devices” usually describes a network arrangement rather than an app installed on a camera or speaker. The router becomes the point where the connection is created, so its hardware, firmware and routing features can matter as much as the provider’s brand. This guide uses the available publisher comparisons and Proton’s setup documentation to explain what to verify, what a tunnel protects, and where its limits remain.
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What does a VPN do for IoT devices?
A router configured as a VPN client can send the internet traffic of connected devices through an encrypted connection to a VPN service. This is useful for smart speakers, cameras, appliances, printers and other devices that do not offer a consumer VPN app: instead of installing software on each device, you route their traffic at the network level.
The router is the crucial part of this arrangement. It must support VPN client configuration, and its supported protocol must match a configuration the provider offers. “VPN support” on a router can mean that it can host a VPN server for remote access; that is not the same as being able to act as a client and route household devices through a commercial VPN.
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A VPN changes the network path for traffic that actually enters its tunnel. It does not make an IoT device secure by itself, and it does not guarantee anonymity or prevent the device maker from collecting information through the device or its account.
For a smart-home installation, think of three separate paths. The first is the local link from a device to Wi-Fi or Ethernet. The second is the router’s connection to the VPN endpoint. The third is the VPN endpoint’s connection to the destination service. The VPN encrypts the segment between the router and the provider; it does not turn every local protocol into a VPN connection. This is why a camera can still have local discovery, Bluetooth pairing or account-security issues even when its internet route is tunneled.
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Which five VPN options are worth checking for a smart home?
These are options to investigate, not a universal ranking. VPNAlert’s roundup, updated September 10, 2026, names four of the services below among its five IoT VPN picks. Proton VPN is included separately because its support documentation describes router configuration requirements and availability. VPNAlert’s selection reflects that publisher’s own review; it is not an independent test of your router or a guarantee of performance in your home.
| VPN service | What the available evidence establishes | What to verify before choosing |
|---|---|---|
| NordVPN | Named in VPNAlert’s September 10, 2026 IoT VPN roundup. That is the roundup publisher’s editorial finding, not a universal performance result. | Check current support for your router model, firmware and client protocol; confirm the setup method and any per-device controls you need. |
| ExpressVPN | Named in VPNAlert’s September 10, 2026 roundup. Tom’s Guide’s router VPN roundup, updated January 12, 2026, also covers it. | Confirm that the exact router setup you plan to use is supported and whether it offers the household controls you require. |
| PrivateVPN | Named in VPNAlert’s September 10, 2026 roundup. | Verify router client instructions and compatible configuration files for your specific firmware; the cited roundup does not establish compatibility with every router. |
| Private Internet Access | Named in VPNAlert’s September 10, 2026 roundup. | Check current router client and protocol support for your model, and confirm how the setup behaves when the tunnel disconnects. |
| Proton VPN | Its support documentation says router configurations are available on all plans, including Free. On Free, a router counts as one connection. | Proton requires a router that supports OpenVPN or WireGuard as a client. Confirm model and firmware compatibility, configuration details and whether a router connection fits your plan’s needs. |
The cited roundups do not provide a common, controlled performance comparison for these services on the same router hardware. Their names should therefore be treated as a shortlist, not proof that any one service will deliver a particular speed, coverage or security result in your home. Current provider instructions and router compatibility matter more than a generic ranking.
Do not assume that a provider appearing in a consumer list supplies the same router workflow on every platform. One service may provide downloadable OpenVPN files, while another may document a particular router application or firmware family. A convenient setup can be valuable if several household members need to maintain it, but convenience cannot overcome a missing client protocol. Read the current provider guide after identifying your router, not before.
How do I check whether my router can run a VPN?
Check the exact model and firmware rather than relying on a manufacturer’s broad claim that a router “supports VPN.” Look specifically for a VPN client mode and for support of OpenVPN or WireGuard if that is the protocol required by your chosen provider. Proton’s router guidance says most ISP-provided routers do not support VPN configurations; that is a warning to verify, not proof about every model supplied by an internet provider.
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- Find the model and firmware version. Check the label on the router or its administration interface. Record the complete model identifier and firmware version; similar model names can have different capabilities.
- Look for client mode in the router documentation. Search the manufacturer’s instructions for VPN client, VPN connection or routing a VPN client. Do not treat VPN server or remote-access support as evidence that the router can route outbound household traffic through a VPN.
- Match the protocol. Confirm which client protocols the router and its current firmware support, then compare those with the provider’s available router configuration. Proton’s instructions identify OpenVPN and WireGuard as required client options for its router setup.
- Check the provider’s instructions for the exact platform. Make sure they cover your router model or firmware family and tell you how to obtain and enter the required configuration. A provider’s general router support statement does not guarantee that every model is supported.
- Ask the ISP or manufacturer if anything is unclear. If the device is ISP-provided, ask whether its firmware exposes VPN client configuration. Avoid changing firmware just to gain a feature unless you understand the model-specific process and risks.
Proton warns that flashing firmware incorrectly can stop a router from working. If your router lacks client mode, a compatible VPN-client router is one possible route, but check the exact hardware, firmware, protocol and provider documentation before buying. A router’s VPN feature list alone does not establish that it will work with a particular service.
Before purchasing replacement hardware, check whether your internet connection uses a separate modem, gateway or mesh system. You may need to place one unit behind another, use bridge mode, or create a separate network for tunneled devices; the correct arrangement depends on the equipment and the ISP. Confirm that the proposed router can handle the household’s internet speed and the number of simultaneous IoT connections. A router that technically supports a client may still be unsuitable if encryption overloads its processor.
How do I route only IoT devices through the VPN?
The control available depends on the router and setup. Some households may be able to route selected devices, while others may have to put devices behind a single VPN configuration. Tom’s Guide’s January 2026 roundup compares a dedicated router-app approach with manual setup, but the availability of per-device routing is model- and configuration-specific.
- Decide which devices should use the tunnel. Make a list of the smart-home devices and note whether phones, laptops or other household devices should stay on the normal internet connection.
- Check the router’s routing controls. Look for documented options to assign selected devices, network groups or Wi-Fi networks to a VPN connection. Do not assume that installing one router-level VPN will automatically provide per-device choices.
- Choose a setup that matches those controls. If the router only applies one VPN route to all connected devices, decide whether that is acceptable. If you need separate treatment, confirm that the router and provider instructions support the arrangement before configuring it.
- Connect and verify the intended devices. Use the router’s status page and provider instructions to confirm that the VPN connection is active, then check that the devices assigned to it still have the access they need.
A router-level setup can affect devices that depend on internet services, so record the original settings before changing them. If a device stops reaching a service after routing changes, first check whether the router shows an active VPN connection and whether that device was assigned to the expected route. Restore the previous routing configuration if you cannot re-establish normal access.
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What protection does a router VPN provide—and what does it not?
According to Proton’s router guidance, the VPN encrypts traffic between the router and the VPN service. The connection from an IoT device to the router is not encrypted by that VPN, nor are local connections such as Bluetooth. Only traffic routed through the tunnel receives the VPN’s network protection.
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- It can protect routed internet traffic in transit between the router and VPN service. This describes the VPN tunnel, not the overall security of the device or its software.
- It does not patch vulnerable device or router software. Keep firmware and device software updated through the manufacturer’s supported process.
- It does not secure weak Wi-Fi credentials. Use strong credentials for the wireless network and router administration.
- It does not protect local links such as Bluetooth through the VPN tunnel. Those connections do not travel through the router-to-provider tunnel.
- It does not prevent every form of data collection or compromise. A VPN is not a substitute for device security, account protections or careful network configuration.
The UK National Cyber Security Centre’s VPN guidance is aimed at organisations and expressly places individual consumer use outside its scope. It can inform general distinctions about VPN traffic, but it is not a consumer product ranking or evidence that a particular home setup is safe.
Keep the protection boundary visible when explaining a VPN for a smart TV or security camera. Traffic to a cloud service may pass through the tunnel, while a phone controlling the camera over the local network may not. Likewise, a printer’s local discovery traffic and a speaker’s Bluetooth pairing are different from the internet sessions the router sends to the provider. Security still depends on unique account passwords, multifactor authentication where offered, current firmware and sensible device permissions.
What affects speed and reliability on a VPN router?
Router processing power is one factor: encryption uses router resources, and Proton notes that weaker router processors may reduce speed. Actual results also depend on the hardware, internet plan, provider and configuration. The available comparisons do not establish a speed figure that applies across these combinations.
Consider whether the router can maintain the VPN connection while serving the devices you plan to route. A configuration error or VPN outage can interrupt the routed devices’ internet access or change their route, depending on the router’s behavior. Check the router’s status and recovery options in its documentation rather than assuming a universal failover or “kill switch” behavior.
- Choose a router whose VPN client feature is supported on the firmware you will actually run.
- Check whether the router exposes connection status and makes it straightforward to reconnect or restore the previous configuration.
- After setup, verify the services each routed device needs instead of assuming all devices behave identically.
- Keep router firmware and the VPN configuration maintained; outdated firmware and stale settings can undermine the setup.
Test at the times and locations that matter to your household. A camera uploading continuously, several televisions streaming, and many low-bandwidth sensors can stress a client differently. Record the ordinary connection behavior before enabling the tunnel so you have a useful comparison. If performance falls, check processor load, the selected protocol, the VPN endpoint and whether every device was routed unintentionally. Do not treat a single speed test as a permanent guarantee.
How should I choose among these VPNs?
Start with compatibility, then narrow the choice by management needs and the provider’s current instructions. A service’s appearance in an editorial roundup cannot compensate for a router that does not support its required client protocol.
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- Eliminate incompatible combinations. If your router cannot act as a VPN client using a protocol supported by the provider, the provider is not a practical choice for that router-based setup.
- Match the setup style to your household. Decide whether all devices can share one VPN route or whether you need per-device controls. Confirm those controls in the router’s documentation.
- Check plan and connection details. Proton says router configurations are available on all its plans, including Free, and that a router counts as one connection on Free. Check the current plan terms directly for any other service; plan limits and pricing are not established by the cited roundup evidence.
- Assess the router’s capacity and upkeep. Consider the router’s processing capability and the effort required to keep firmware and configuration current. The router hardware can affect speed, so do not assume a service’s name predicts your result.
- Use editorial rankings as a starting list, not a verdict. VPNAlert states it reviewed more than 20 services and publishes its own picks; Tom’s Guide offers a separate router-focused comparison. Those are publishers’ judgments, not tests of your exact home network.
Cost should be evaluated only after compatibility. A low-priced plan is not economical if it requires replacing a router, while a supported configuration may avoid buying software for every device. Prices, connection allowances and promotional terms change, so check the provider’s current page rather than relying on an old comparison. Also account for the time required to update firmware, rotate configuration files and troubleshoot devices after a connection change.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What are the most common setup mistakes?
- Confusing VPN server support with VPN client support: verify that the router can connect out to a provider and route traffic through that connection.
- Checking only the router brand or product family: confirm the full model and firmware version because support can vary across versions.
- Assuming every connected device is protected: verify which traffic is routed through the tunnel and whether selected-device controls are available.
- Flashing unsupported firmware without a recovery plan: Proton warns that an incorrect flash can stop the router from working. Use instructions specific to the model, or avoid firmware changes if you cannot accept that risk.
- Treating a VPN as a complete IoT security solution: maintain device and router updates, secure Wi-Fi credentials and protect device accounts separately.
- Expecting a universal speed result: router hardware, internet plan, provider and setup all affect performance; the cited sources do not establish a single result for all homes.
- Skipping a rollback plan: save the original router settings and know how to disable the client connection before experimenting.
- Ignoring local dependencies: verify that discovery, casting, printing, voice control and other local functions still work after changing routes.
What should I maintain after setup?
A VPN router is not a set-and-forget appliance. Install router firmware updates through the supported process, review provider configuration instructions when protocols or endpoints change, and check the connection status periodically. Keep a written record of which devices or network groups use the tunnel. That record makes it easier to identify an outage or restore service after a reset.
Recheck the arrangement whenever you replace a router, change ISP equipment, add a mesh node or move an IoT device to another wireless network. A device moved to a guest network may no longer inherit the same VPN route. After each change, test the services that matter and confirm that devices intended to use the tunnel still do so.
Frequently Asked Questions
Can a VPN protect a smart camera from being hacked?
A VPN is not a guarantee against compromise. It protects only traffic routed through its tunnel and does not repair software flaws, secure a camera account or replace updates and strong credentials.
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Will a router VPN change my smart-home device’s location?
Internet services may see the VPN connection’s public exit address rather than the household’s usual address, which can affect how some services handle location. The cited comparisons do not document the behavior of individual smart-home services, so verify compatibility with services your devices depend on.
Can I use a VPN on an IoT device without changing my router?
If a device has no VPN app or built-in VPN client, routing its traffic through a compatible VPN-client router is the practical network-level option described here. Whether an individual device has its own VPN capability depends on its model and software.
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Do I need a new router for a VPN smart-home setup?
Not necessarily. First check the exact model and firmware for VPN client mode and compatible OpenVPN or WireGuard support. If the current router lacks those features, a compatible VPN-client router may be required; verify the hardware and provider instructions before purchasing.
Does a router VPN encrypt my camera’s Wi-Fi connection?
No. Proton’s guidance says the tunnel encrypts traffic between the router and VPN service, not the device-to-router link. Use strong Wi-Fi credentials and current device security in addition to any VPN.
Will all of my devices use the VPN automatically?
Only devices and networks that the router routes through the VPN will use it. Some routers apply one route to all clients, while others provide per-device or per-network controls. Check the router documentation and verify the route after setup.
What happens if the VPN connection goes down?
Behavior is router-specific. Routed devices may lose internet access, reconnect over the ordinary route or remain disconnected. Check the router’s documented recovery and failover behavior instead of assuming it has a universal kill switch.
Does Proton VPN count a router as a connection?
Proton says its router configurations are available on all plans, including Free, and that a router counts as one connection on the Free plan. Confirm current terms directly because plan details can change.
Can a VPN fix an insecure IoT device or outdated firmware?
No. Keep the device and router firmware updated, use strong Wi-Fi and administration credentials, secure device accounts and limit unnecessary exposure. A VPN protects only the routed network traffic.
The Bottom Line
The best VPN for IoT devices is the service that works with your exact VPN-client router, firmware and required protocol while providing the routing controls your household needs. Use the five names as a shortlist, then verify compatibility, connection behavior, maintenance requirements and the protection boundary before changing your smart-home network.
Quick Recap
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