Secunia Security Advisory – Some vulnerabilities have been reported in various Nortel products, which can be exploited by malicious people to cause a DoS (Denial of Service) and to eavesdrop with affected devices.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/60180/sa27234.txt
Source: https://packetstormsecurity.com/files/60180/Secunia-Security-Advisory-27234.html