CVE-2025-11444: Totolink n600r Firmware

High severity, CVSS 8.8. EPSS: 1% chance of exploitation in the next 30 days.

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.

Affected products

• Totolink n600r Firmware: up to and including 4.3.0cu.7866_b2022506

Published 2025-10-08. Last modified 2026-10-08.