CVE-2025-15606

Denial of Service (DoS) in HTTPD Input Handling on TP-Link TD-W8961N

State: Published
Severity: 7.1 High
Published: Mar 23, 2026
Updated: Mar 24, 2026
Reserved: Mar 9, 2026

Description

A Denial-of-Service (DoS) vulnerability in the httpd component of TP-Link's TD-W8961N v4.0 due to improper input sanitization, allows crafted requests to trigger a processing error that causes the httpd service to crash. Successful exploitation may allow the attacker to cause service interruption, resulting in a DoS condition.

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
TD-W8961N v4.0TP-Link Systems Inc.	before V4_250925Affected

References

https://www.tp-link.com/en/support/download/td-w8961n/v4/#Firmwarepatch
https://www.tp-link.com/us/support/faq/5028/vendor-advisory

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