Secunia Security Advisory – A security issue has been reported in the 3Com 4500G Switch, which can be exploited by malicious users to bypass certain security restrictions.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/75386/sa34088.txt
Source: https://packetstormsecurity.com/files/75386/Secunia-Security-Advisory-34088.html