High severity · published Mar 23, 2026
CVE-2025-15606
Denial of Service (DoS) in HTTPD Input Handling on TP-Link TD-W8961N
7.5
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 23% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TV
TD-W8961N v4.0 · TP-Link Systems Inc.
before V4_250925 · source: vendor
TF
Td-w8961nd Firmware · Tp-link
before 250925 · source: NVD