CVE-2026-9433

Critical

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

Summary

A weakness has been identified in Totolink A8000RU 7.1cu.643_b20200521, affecting the function setMacFilterRules of the file /cgi-bin/cstecgi.cgi of the Web Management Interface. Manipulation of the argument enable leads to OS command injection.

Risk Assessment

An attacker can remotely exploit this vulnerability, posing a serious security threat to the system. A publicly available exploit could be used for attacks.

Recommendation

It is recommended to update the device firmware to the latest version to mitigate this vulnerability. Additionally, monitor systems for unauthorized activities.

Original NVD description (English source)

A weakness has been identified in Totolink A8000RU 7.1cu.643_b20200521. This issue affects the function setMacFilterRules of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. This manipulation of the argument enable causes os command injection. The attack may be initiated remotely. The exploit has been made available to the public and could be used for attacks.