Secunia Security Advisory – A vulnerability has been reported in Cisco TFTP Server, 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/87664/sa39116.txt
Source: https://packetstormsecurity.com/files/87664/Secunia-Security-Advisory-39116.html