CVE-2026-7240 | Totolink A8000RU 7.1cu.643_b20200521 CGI /cgi-bin/cstecgi.cgi setVpnAccountCfg User os command injection

A vulnerability was found in Totolink A8000RU 7.1cu.643_b20200521 and classified as critical. This vulnerability affects the function setVpnAccountCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Such manipulation of the argument User leads to os command injection.

This vulnerability is documented as CVE-2026-7240. The attack can be executed remotely. Additionally, an exploit exists.