OMRON NS devices 1.1 through 1.3 allow remote attackers to bypass authentication via a direct request to the .html file for a specific screen, as demonstrated by monitor.html.
http://misteralfa-hack.blogspot.cl/2018/02/otomron-login-bypass.html
http://misteralfa-hack.blogspot.cl/2018/02/otomron-login-bypass.html