CVE-2025-25427

low-risk
Published 2025-04-18

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.

Do I need to act?

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0.37% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.4/10 Medium
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Tp-Link

References (4)

Exploit https://github.com/slin99/2025-25427
Product https://www.tp-link.com/us/support/download/tl-wr841n/#Firmware
Vendor Advisory https://www.tp-link.com/us/support/faq/4415/
Exploit https://github.com/slin99/2025-25427/blob/master/readme.md
27
/ 100
low-risk
Severity 21/34 · High
Exploitability 1/34 · Minimal
Exposure 5/34 · Minimal