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Vulnerabilities

Vulnerability · 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.

Published Apr 18, 2025 · catalog updated Jul 1, 2025 · TP-Link Systems Inc. TL-WR841N v14/v14.6/v14.8

Check this week

CVE-2025-25427 is not in CISA KEV. FIRST estimates a 58.00% chance of exploitation in the next 30 days. Check whether you run TP-Link Systems Inc. TL-WR841N v14/v14.6/v14.8.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.6
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
58.00%
Remediation
Vendor / distro source
Affected products
vendor TP-Link Systems Inc. TL-WR841N v14/v14.6/v14.8 0 ≤Build 241230 Rel. 50788n

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor TP-Link Systems Inc. TL-WR841N v14/v14.6/v14.8 0 ≤Build 241230 Rel. 50788n0 ≤Build 241230 Rel. 50788n

How to fix CVE-2025-25427

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2025-25427 is not in CISA KEV. FIRST estimates a 58.00% chance of exploitation in the next 30 days. Check whether you run TP-Link Systems Inc. TL-WR841N v14/v14.6/v14.8.

Which versions are affected?

Compare what you have installed with TP-Link Systems Inc. TL-WR841N v14/v14.6/v14.8 0 ≤Build 241230 Rel. 50788n 0 ≤Build 241230 Rel. 50788n. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 58.00%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 18, 2025 · EUVD

    Detected

    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.

  2. Jul 1, 2025 · EUVD

    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.

Sources

  • CVE.orgVulnerability recordCVE-2025-25427

    Official CVE identifier

    cve.org
  • EUVDVulnerability recordEUVD-2025-11808

    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 th

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.