CVE-2026-9458

Critical

Published: 25/05/2026(UTC)Translated: 14/06/2026(UTC)NVD NIST

Summary

A vulnerability was identified in Totolink A8000RU 7.1cu.643_b20200521, affecting the setWanCfg function in the /cgi-bin/cstecgi.cgi file of the Web Management Interface. Manipulation of the argument leads to OS command injection.

Risk Assessment

An attacker can remotely exploit this vulnerability, posing a serious security risk to the system. A publicly available exploit may be used to carry out an attack.

Recommendation

It is recommended to update the software to the latest version to eliminate this vulnerability. Additionally, monitor systems for unauthorized access attempts.

Original NVD description (English source)

A vulnerability was identified in Totolink A8000RU 7.1cu.643_b20200521. The impacted element is the function setWanCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Such manipulation of the argument enabled leads to os command injection. The attack may be performed from remote. The exploit is publicly available and might be used.