source: http://www.securityfocus.com/bid/665/info

A vulnerability in the Diva LAN ISDN Modem allows remote malicious users to lock up the modem requiring a hard reset.

The vulnerability manifests itself when a remote users connects to the Diva HTTP port and sends a GET request of the form 'login.html?password=<very long string>'.

Enter the URL 'http://diva/login.htm?password=0123456789012345678901234567890123456789' into your browser, where 'diva' is the IP address of the modem.
源链接

Hacking more

...