CVE-2025-7525: Totolink t6 Firmware

High severity, CVSS 8.8. EPSS: 2.9% chance of exploitation in the next 30 days.

A vulnerability was found in TOTOLINK T6 4.1.5cu.748_B20211015. It has been declared as critical. This vulnerability affects the function setTracerouteCfg of the file /cgi-bin/cstecgi.cgi of the component HTTP POST Request Handler. The manipulation of the argument command leads to command injection. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

Affected products

• Totolink t6 Firmware: version v4.1.5cu.748_b20211015 only

Published 2025-07-13. Last modified 2026-06-17.