SecuriTricks - CVE-2025-11676

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.

Product(s) Impacted

Vendor	Product	Versions
Tp-link	Tl-wr940n	<=220801

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-20

Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	tp-link	tl-wr940n	<=220801	/	/	/	/	/	/	/

References

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

https://www.tp-link.com/en/support/faq/4755/

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

CVSS Score

7.1 / 10

CVSS Data - 4.0

Attack Vector: ADJACENT
Attack Complexity: LOW
Attack Requirements: NONE
Privileges Required: NONE
User Interaction: NONE
Scope:
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: HIGH
Exploit Maturity: NOT_DEFINED

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

View Vector String

Timeline

Published: Nov. 20, 2025, 3:17 p.m.
Last Modified: Nov. 21, 2025, 3:13 p.m.

Status : Awaiting Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

f23511db-6c3e-4e32-a477-6aa17d310630

CVE-2025-11676