The S2 Security NetBox 2.x and 3.x, as used in the Linear eMerge 50 and 5000 and the Sonitrol eAccess, uses a weak hash algorithm for storing the Administrator password, which makes it easier for context-dependent attackers to obtain privileged access by recovering the cleartext of this password.
https://exchange.xforce.ibmcloud.com/vulnerabilities/59827
http://www.securityinfowatch.com/Executives+Columns+%2526+Features/1316527?pageNum=2
http://www.darkreading.com/blog/archives/2010/04/attacking_door.html