cgi-bin/AZ_Retrain.cgi in Aztech ADSL DSL5018EN (1T1R), DSL705E, and DSL705EU devices does not check for authentication, which allows remote attackers to cause a denial of service (WAN connectivity reset) via a direct request.

Aztech ADSL DSL5018EN (1T1R), DSL705E, and DSL705EU devices improperly manage sessions, which allows remote attackers to bypass authentication in opportunistic circumstances and execute arbitrary commands with administrator privileges by leveraging an existing web portal login.

Aztech ADSL DSL5018EN (1T1R), DSL705E, and DSL705EU devices allow remote attackers to obtain sensitive device configuration information via vectors involving the ROM file.