CVE-2026-9388: Totolink a8000ru

Critical severity, CVSS 9.8. EPSS: 3.3% chance of exploitation in the next 30 days.

A weakness has been identified in Totolink A8000RU 7.1cu.643_b20200521. The impacted element is the function setScheduleCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Executing a manipulation of the argument mode can lead to os command injection. It is possible to launch the attack remotely. The exploit has been made available to the public and could be used for attacks.

Affected products

• Totolink a8000ru: version 7.1cu.643_b20200521 only

Published 2026-05-24. Last modified 2026-07-23.