Vulnerability · Published Nov 20, 2025 · Assigned by TPLink

CVE-2025-11676UPnP DOS in TL-WR940N V6

High 7.1

In plain English

A high-severity improper input validation in TL-WR940N V6 from TP-Link System Inc.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 11% of all known vulnerabilities).

Severity (CVSS 4.0)7.1High
Exploit odds (30 days)0.2%top 89.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

VendorProductVersions
TP-Link System Inc. TL-WR940N V6 0 – through Build 220801

Weakness: CWE-20 · Vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

References