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Vulnerabilities

Vulnerability · CVE-2025-11676

Improper input validation vulnerability in TP-Link System Inc.

Published Nov 20, 2025 · catalog updated Nov 20, 2025 · TP-Link System Inc. TL-WR940N V6

Last checked Nov 1, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-11676. EPSS is 0.21%. Act only if a listed version of TP-Link System Inc. TL-WR940N V6 is installed.

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
High7.1
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.21%
Remediation
Vendor / distro source
Affected products
vendor TP-Link System Inc. TL-WR940N V6 0 ≤Build 220801

Improper input validation vulnerability in TP-Link System Inc. TL-WR940N V6 (UPnP modules), which allows unauthenticated adjacent attackers to perform DoS attack. This issue affects TL-WR940N V6 <= Build 220801.

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 System Inc. TL-WR940N V6 0 ≤Build 2208010 ≤Build 220801

How to fix CVE-2025-11676

What to do

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

Should you patch?

No confirmed exploitation is on record for CVE-2025-11676. EPSS is 0.21%. Act only if a listed version of TP-Link System Inc. TL-WR940N V6 is installed.

Which versions are affected?

Compare what you have installed with TP-Link System Inc. TL-WR940N V6 0 ≤Build 220801 0 ≤Build 220801. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.21%. 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.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Nov 20, 2025 · EUVD

    Detected

    Improper input validation vulnerability in TP-Link System Inc. TL-WR940N V6 (UPnP modules), which allows unauthenticated adjacent attackers to perform DoS attack. This issue affects TL-WR940N V6 <= Build 220801.

  2. Nov 20, 2025 · EUVD

    Updated

    Improper input validation vulnerability in TP-Link System Inc. TL-WR940N V6 (UPnP modules), which allows unauthenticated adjacent attackers to perform DoS attack. This issue affects TL-WR940N V6 <= Build 220801.

Sources

  • CVE.orgVulnerability recordCVE-2025-11676

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-11676

    30-day exploitation probability 0.21%

    first.org
  • EUVDVulnerability recordEUVD-2025-198282

    Improper input validation vulnerability in TP-Link System Inc. TL-WR940N V6 (UPnP modules), which allows unauthenticated adjacent attackers to perform DoS attack. This issue affects TL-WR940N V6 <= Build 220801.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 1, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 1, 2026
  • CVE.orgOct 28, 2026
  • EUVDOct 28, 2026