Denial-of-Service Vulnerability in TP-Link TD-W8961N v4.0
CVE-2025-15606

7.1HIGH

Key Information:

Vendor

Tp-link Systems Inc.

Status
Td-w8961n V4.0
Vendor
CVE Published:
23 March 2026

What is CVE-2025-15606?

A Denial-of-Service vulnerability exists in the httpd component of TP-Link's TD-W8961N v4.0 due to improper input sanitization. This flaw allows attackers to send specially crafted requests that result in a processing error, causing the httpd service to crash. When exploited, this vulnerability can lead to significant service disruptions, preventing legitimate users from accessing network services.

Affected Version(s)

TD-W8961N v4.0 RTOS 0

References

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

CVSS V4

Score:
7.1
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

RONBUB
.