Secunia Security Advisory – A vulnerability has been reported in 3Com IntelliJack Switch NJ220, which potentially 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/57365/sa25883.txt
Source: https://packetstormsecurity.com/files/57365/Secunia-Security-Advisory-25883.html