CVE-2025-11676 - CVE House

Status published High CVE-2025-11676

UPnP DOS in TL-WR940N V6

7.1 CVSS

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

More from TP-Link System Inc.

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CVE-2025-6983

Clickjacking vulnerability on the management web application of TP-LINK Archer C1200

Medium 5.1

Affected Vendor

TP-Link System Inc.

View all reports →

Affected Software

TL-WR940N V6

Vulnerable Versions:

Timeline

Official Publish: November 20th, 2025

Last Modified: November 20th, 2025

Added to House: July 22nd, 2026

CVSS Vectors

Weaknesses (CWE)

CWE-20

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application

Initial Access

T1059 Command and Scripting Interpreter

Execution

T1068 Exploitation for Privilege Escalation

Privilege Escalation

T1213 Data from Information Repositories

Collection

T1565.002 Stored Data Manipulation

Impact