CVE-2025-11676

UPnP DOS in TL-WR940N V6

State: Published
Severity: 7.1 High
Published: Nov 20, 2025
Updated: Nov 20, 2025
Reserved: Oct 13, 2025

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.

Scores

CVSS	Score	Vector	Source
4.0	7.1 High	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	TPLink

Weaknesses

CWE-20 Improper Input Validation

Affected Products

Product	Versions
TL-WR940N V6TP-Link System Inc.	Build 220801 and earlierAffected

References

https://www.tp-link.com/us/support/download/tl-wr940n/v6/#Firmware
https://www.tp-link.com/en/support/download/tl-wr940n/v6/#Firmware
https://www.tp-link.com/en/support/faq/4755/

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