CVE-2025-1340: Totolink x18 Firmware

High severity, CVSS 8.8. EPSS: 16.7% chance of exploitation in the next 30 days.

A vulnerability classified as critical has been found in TOTOLINK X18 9.1.0cu.2024_B20220329. Affected is the function setPasswordCfg of the file /cgi-bin/cstecgi.cgi. The manipulation as part of String leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

• Totolink x18 Firmware: version 9.1.0cu.2024_b20220329 only

Published 2025-02-16. Last modified 2026-06-17.