8.6
CWE
79
Advisory Published
Updated

CVE-2025-25427: XSS in TP-Link TL-WR841N v14/v14.6/v14.8 Upnp page

First published: Fri Apr 18 2025(Updated: )

A stored cross-site scripting (XSS) vulnerability in the upnp.htm page of the web Interface in TP-Link WR841N v14/v14.6/v14.8 <= Build 241230 Rel. 50788n allows remote attackers to inject arbitrary JavaScript code via the port mapping description. This leads to an execution of the JavaScript payload when the upnp page is loaded.

Credit: f23511db-6c3e-4e32-a477-6aa17d310630

Affected SoftwareAffected VersionHow to fix
TP-Link WR841N<=Build 241230 Rel. 50788n
TP-Link TL-WR841ND Firmware<=Build 241230 Rel. 50788n

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Frequently Asked Questions

  • What is the severity of CVE-2025-25427?

    CVE-2025-25427 has been classified as a high severity vulnerability due to its potential for remote code execution through stored cross-site scripting.

  • How do I fix CVE-2025-25427?

    To fix CVE-2025-25427, upgrade your TP-Link WR841N or TL-WR841N to a version higher than 4.19.

  • What types of attacks can CVE-2025-25427 facilitate?

    CVE-2025-25427 can facilitate cross-site scripting attacks, allowing attackers to execute arbitrary JavaScript code remotely.

  • Which devices are affected by CVE-2025-25427?

    CVE-2025-25427 affects TP-Link WR841N and TL-WR841N devices running firmware version 4.19 or earlier.

  • How can CVE-2025-25427 be exploited?

    CVE-2025-25427 can be exploited by injecting malicious JavaScript into the UPnP page's port mapping description, triggering execution when the page loads.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2025 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203