CVE-2025-11444 HIGH

CVE-2025-11444: TOTOLINK N600R HTTP Request cstecgi.cgi setWiFiBasicConfig buffer overflow

Vendor Totolink
Product N600R
Weakness CWE-120
Published October 8, 2025
Last update February 24, 2026

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

A security vulnerability has been detected in TOTOLINK N600R up to 4.3.0cu.7866_B20220506. This impacts the function setWiFiBasicConfig of the file /cgi-bin/cstecgi.cgi of the component HTTP Request Handler. Such manipulation of the argument wepkey leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used.

Key dates

02Disclosure timeline

October 8, 2025 CVE published
February 24, 2026 Record updated