Secunia Security Advisory – Yamaha has acknowledged some vulnerabilities in RT Series Routers, 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/81427/sa36745.txt
Source: https://packetstormsecurity.com/files/81427/Secunia-Security-Advisory-36745.html