TP-Link TL-WR940N V6 up to Build 220801 UPnP denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in TP-Link TL-WR940N V6 up to Build 220801. This impacts an unknown function of the component UPnP Module. Performing a manipulation results in denial of service. This vulnerability is known as CVE-2025-11676. Access to the local network is required for this attack. No exploit is available.

Detailsinfo

A vulnerability classified as critical has been found in TP-Link TL-WR940N V6 up to Build 220801. This affects some unknown processing of the component UPnP Module. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. The summary by CVE is:

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.

The advisory is shared at tp-link.com. This vulnerability is uniquely identified as CVE-2025-11676 since 10/13/2025. The exploitability is told to be easy. Access to the local network is required for this attack to succeed. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at CNNVD (CNNVD-202511-2375). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Vendor

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.5

VulDB Base Score: 6.5
VulDB Temp Score: 6.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

10/13/2025 CVE reserved
11/20/2025 +38 days Advisory disclosed
11/20/2025 +0 days VulDB entry created
11/23/2025 +3 days VulDB entry last update

Sourcesinfo

Vendor: tp-link.com

Advisory: tp-link.com
Status: Not defined

CVE: CVE-2025-11676 (🔒)
GCVE (CVE): GCVE-0-2025-11676
GCVE (VulDB): GCVE-100-333045
CNNVD: CNNVD-202511-2375 - TP-Link TL-WR940N V6 安全漏洞

Entryinfo

Created: 11/20/2025 10:33
Updated: 11/23/2025 18:17
Changes: 11/20/2025 10:33 (66), 11/22/2025 00:01 (6), 11/22/2025 18:49 (1), 11/23/2025 18:17 (1)
Complete: 🔍
Cache ID: 216::103

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