CVE-2025-11676 HIGH

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

Vendor Tp-Link System Inc.
Product TL-WR940N V6
Weakness CWE-20 · Input validation
Published November 20, 2025
Last update November 20, 2025
View on NVD All CVEs

CVSS base score

7.1/10
Attack vector Adjacent
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS 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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

November 20, 2025 CVE published
November 20, 2025 Record updated