XSS in TP-Link Wr841n
CVE-2025-25427
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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.006 (46.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 46.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: +0.000
Affected products
- TP-Link Wr841n — versions 14, 14.6, 14.8
- TP-Link Wr841n Firmware
- TP-Link Systems Inc. Tl-Wr841n V14/v14.6/v14.8 — versions 0
Weakness classification (CWE)
References
- f23511db-6c3e-4e32-a477-6aa17d310630 (Vendor Advisory)
- f23511db-6c3e-4e32-a477-6aa17d310630 (Product)
- f23511db-6c3e-4e32-a477-6aa17d310630 (Exploit, Third Party Advisory)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2025-25427?
- CVE-2025-25427 is a medium-severity vulnerability in TP-Link Wr841n, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2025-04-18.
- How severe is CVE-2025-25427?
- Medium severity. CVSS v3 base score is 5.4 out of 10.