Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Tp-Link | Wr841N Firmware | <= 241230 |
| Tp-Link | Wr841N | 14 |
Related Weaknesses (CWE)
References
- https://github.com/slin99/2025-25427ExploitThird Party Advisory
- https://www.tp-link.com/us/support/download/tl-wr841n/#FirmwareProduct
- https://www.tp-link.com/us/support/faq/4415/Vendor Advisory
- https://github.com/slin99/2025-25427/blob/master/readme.mdExploitThird Party Advisory
FAQ
What is CVE-2025-25427?
CVE-2025-25427 is a vulnerability with a CVSS score of 5.4 (MEDIUM). 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 Ja...
How severe is CVE-2025-25427?
CVE-2025-25427 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-25427?
Check the references section above for vendor advisories and patch information. Affected products include: Tp-Link Wr841N Firmware, Tp-Link Wr841N.