UPnP on TP-Link Routers and Deco: What It Is and How to Manage It

Q&A of functional explanation or specification parameters

Zaktualizowano w dniu May 12, 2026

Universal Plug and Play (UPnP) allows devices on your network to automatically open ports and communicate with each other without manual configuration. Common use cases include online gaming, media streaming, and peer-to-peer applications. While TP-Link UPnP and Deco UPnP make these experiences more convenient, UPnP can also introduce security risks if left unmanaged. This page covers what UPnP is, its benefits and security considerations, and how to enable or disable it on TP-Link routers, Deco, and modem routers, along with troubleshooting tips if your UPnP-enabled device isn't working.

Key Takeaways

Universal Plug and Play (UPnP) allows devices on your network to automatically configure port forwarding without manual setup.
It makes it easier to use applications like online games, media servers, and video calling without manual router configuration.
On a TP-Link router, you can enable or disable UPnP by going to Advanced > Port Forwarding > UPnP in the web management page.
On a Deco, you can enable or disable UPnP through the Deco app by going to More > Advanced > NAT Forwarding > UPnP.
On a TP-Link modem router, go to tplinkmodem.net, then Advanced > NAT Forwarding > UPnP to enable or disable it.
UPnP can introduce security risks. Malicious applications can exploit it to open ports without your knowledge. If you do not need UPnP, consider disabling it and keeping your firmware up to date.

About UPnP

What is UPnP?

UPnP is a set of networking protocols that allows devices to discover each other and establish functional network services for data sharing, communication, and entertainment.

How Does UPnP Work?

When a device like a gaming console or media server needs to communicate over the Internet, it sends a request to the router asking it to open a specific port. UPnP processes that request automatically, without requiring you to manually set up port forwarding rules. This allows supported applications to connect and function without any additional configuration on your part.

What Are the Benefits of UPnP?

Ease of Use: UPnP lets devices connect and communicate without manual configuration.
Automatic Configuration: Devices can automatically adjust settings, making it easier to share files, stream media, or use applications that require specific ports.
Flexibility: It supports a wide range of devices, including gaming consoles, smart TVs, and media servers.

Are There Security Risks with UPnP?

Yes, there are potential security risks:

Unauthorized Access: Malicious applications can exploit UPnP to open ports without user consent, creating vulnerabilities.
Device Exposure: UPnP can expose devices directly to the internet, making them susceptible to attacks.

How to Manage UPnP on TP-Link Devices

How can I secure my router's UPnP feature?

Disable UPnP: If you do not need UPnP, consider disabling it.
Regular Firmware Updates: Keep firmware up to date to protect against known vulnerabilities.
Monitor connected devices regularly and check for unexpected or unrecognized port openings in your router's UPnP table.

How to enable or disable UPnP on my router

For Routers

Connect to the router’s via Wi-Fi or an Ethernet port, open a web browser and enter your router's address:

For DSL or 4G/5G modem router: http://tplinkmodem.net

For Wi-Fi routers: http://tplinkwifi.net

Then log in with your admin username and password. Go to Advanced > NAT Forwarding, then find UPnP; you can enable or disable it.

For Deco

Open the Deco App, go to More > Advanced > NAT forwarding, find UPnP, and you can enable or disable it.

For TP-Link ISP-Customized Modem/Router

Ensure your device is connected to the router via Wi-Fi or an Ethernet port. Open a web browser and enter one of these addresses in the browser bar to access the web interface:

For models starting with E/H: http://tplinkwifi.net

For models starting with V/N/M: http://tplinkmodem.net

Then go to Advanced > Nat Forwarding > UPnP to enable or disable it.

What should I do if my UPnP-enabled device isn't working?

Check Device Compatibility: Ensure the device supports UPnP.
Restart Devices: Restart both your router and the UPnP-enabled device.
For some TP-Link models, UPnP is disabled by default for security reasons. If you need it, make sure UPnP is enabled in your router settings.
Check Firewall Settings: Make sure that your firewall isn't blocking UPnP traffic.