TOTOLINK A720R exportOvpn os command injection

A vulnerability classified as critical has been found in TOTOLINK A720R 4.1.5. Affected is the function exportOvpn. The manipulation leads to os command injection. It is possible to launch the attack remotely. The complexity of an attack is rather high. The exploitability is told to be difficult. The vendor was contacted early about this disclosure but did not respond in any way.