CVE-2016-1561
ExaGrid appliances with firmware before 4.8 P26 have a default SSH public key in the authorized_keys file for root, which allows remote attackers to obtain SSH access by leveraging knowledge of a private key from another installation or a firmware image.
Date published : 2017-04-21
http://packetstormsecurity.com/files/136634/ExaGrid-Known-SSH-Key-Default-Password.html
http://www.rapid7.com/db/modules/exploit/linux/ssh/exagrid_known_privkey
