RuggedCom Rugged Operating System (ROS) before 3.3 has a factory account with a password derived from the MAC Address field in a banner, which makes it easier for remote attackers to obtain access by performing a calculation on this address value, and then establishing a (1) SSH or (2) HTTPS session, a different vulnerability than CVE-2012-1803.
https://exchange.xforce.ibmcloud.com/vulnerabilities/75244
http://www.wired.com/threatlevel/2012/04/ruggedcom-backdoor/