What is CVE-2025-15606?

CVE-2025-15606 is a high-severity vulnerability in Tp-Link Td-W8961n, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2026-03-23.

How severe is CVE-2025-15606?

High severity. CVSS v3 base score is 7.5 out of 10.

Improper input validation in Tp-Link Td-W8961n

CVE-2025-15606

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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.003 (21.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Tp-link Td-w8961n — versions 4
Tp-link Td-w8961nd_firmware
Tp-link Systems Inc. Td-w8961n V4.0 — versions 0

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

f23511db-6c3e-4e32-a477-6aa17d310630 (Product, patch)
f23511db-6c3e-4e32-a477-6aa17d310630 (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2025-15606?: CVE-2025-15606 is a high-severity vulnerability in Tp-Link Td-W8961n, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2026-03-23.
How severe is CVE-2025-15606?: High severity. CVSS v3 base score is 7.5 out of 10.