CVE-2025-5903: Totolink t10 Firmware

High severity, CVSS 8.8. EPSS: 11% chance of exploitation in the next 30 days.

A vulnerability was found in TOTOLINK T10 4.1.8cu.5207. It has been classified as critical. Affected is the function setWiFiAclRules of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. The manipulation of the argument desc leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

Affected products

• Totolink t10 Firmware: version 4.1.8cu.5207 only

Published 2025-06-10. Last modified 2026-06-17.