CVE-2026-7123: Totolink a8000ru

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

A vulnerability was found in Totolink A8000RU 7.1cu.643_b20200521. Affected is the function setIptvCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Performing a manipulation of the argument setIptvCfg results in os command injection. The attack can be initiated remotely. The exploit has been made public and could be used.

Affected products

• Totolink a8000ru: version 7.1cu.643_b20200521 only

Published 2026-04-27. Last modified 2026-06-17.