Secunia Security Advisory – Nortel has acknowledged a vulnerability in Nortel CS1000, which can be exploited by malicious people to cause a DoS (Denial of Service).
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/84154/sa37871.txt
Source: https://packetstormsecurity.com/files/84154/Secunia-Security-Advisory-37871.html