A vulnerability in the Billion BIPAC-640 AE Broadband Firewall Gateway can be exploited by malicious people to bypass user authentication on the administrative web interface.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/33548/billionFW.txt
Source: https://packetstormsecurity.com/files/33548/billionFW.txt.html