Secunia Security Advisory – A vulnerability has been reported in Nortel Switched Firewall, which potentially can be exploited by malicious people to cause a DoS (Denial of Service). The vulnerability is caused due to unspecified errors in the processing of IKEv1 Phase 1 protocol exchange messages. This may be exploited to cause a DoS via specially crafted IKE packets. The vulnerability is related to: SA17553
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/41586/sa17608.txt
Source: https://packetstormsecurity.com/files/41586/Secunia-Security-Advisory-17608.html

