source: https://www.securityfocus.com/bid/15819/info

BTGrup Admin WebController is prone to an SQL injection vulnerability. This is due to a lack of proper sanitization of user-supplied input before using it in an SQL query.

Successful exploitation could result in a compromise of the application, disclosure or modification of data, or may permit an attacker to exploit vulnerabilities in the underlying database implementation. 

The following proof of concept is available:
Username : 'or''='
Password : 'or''='