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.
References (4)
Core 4
Core References
Vendor Advisory
https://www.tp-link.com/us/support/faq/4415/
Exploit, Third Party Advisory
https://github.com/slin99/2025-25427/blob/master/readme.md
Scores
CVSS v3
5.4
EPSS
0.0037
EPSS Percentile
59.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
total
Details
CWE
CWE-79
Status
published
Products (1)
tp-link/wr841n_firmware
< 241230
Published
Apr 18, 2025
Tracked Since
Feb 18, 2026