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CVE-2025-11676

UPnP DOS in TL-WR940N V6

HIGH
7.1
CVSS Score
Published: November 20, 2025 at 08:09 AM UTC
Updated: October 18, 2026 at 08:10 PM UTC
1 product affected across 1 vendorTL-WR940N

Using TL-WR940N V6 by TP-Link System Inc.?

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Severity
HIGH7.1
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

TL-WR940N· Tp Link System
90%
0 ≤ v ≤ Build 2208010

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (3)

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

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.1HIGHTPLink
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-20

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