The default configuration of the Digital Alert Systems DASDEC EAS device before 2.0-2 and the Monroe Electronics R189 One-Net EAS device before 2.0-2 contains a known SSH private key, which makes it easier for remote attackers to obtain root access, and spoof alerts, via an SSH session.
http://www.monroe-electronics.com/MONROE_ELECTRONICS_PDF/130604-Monroe-Security-PR.pdf
http://www.kb.cert.org/vuls/id/AAMN-98MUK2
http://www.kb.cert.org/vuls/id/AAMN-98MU7H
http://www.kb.cert.org/vuls/id/662676
http://www.digitalalertsystems.com/pdf/130604-Monroe-Security-PR.pdf