Secunia Security Advisory – Multiple vulnerabilities have been reported in Cisco PGW 2200 Softswitch, 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/89484/sa39733.txt
Source: https://packetstormsecurity.com/files/89484/Secunia-Security-Advisory-39733.html