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.
arstechnica.com/business/news/2012/04/backdoor-in-mission-critical-hardware-threatens-power-traffic-control-systems.ars
seclists.org/fulldisclosure/2012/Apr/277
www.kb.cert.org/vuls/id/889195
www.ruggedcom.com/productbulletin/ros-security-page/
www.us-cert.gov/control_systems/pdf/ICS-ALERT-12-116-01A.pdf
www.wired.com/threatlevel/2012/04/ruggedcom-backdoor/
exchange.xforce.ibmcloud.com/vulnerabilities/75244