Avdor CIS - crystal quality Credentials Management Errors

Avdor CIS - crystal quality Credentials Management Errors. The product is phone call recorder, you can hear all the recorded calls without authenticate to the system. Attacker sends crafted URL to the system: ip:port//V=2;ChannellD=number;Ext=number;Command=startLM;Client=number;Request=number;R=number number - id of the recorded number.