Exactly, it creates a duplicated backslash at the login.phpAre the extra backslashes added when the form on login.html is sent to the login.php page?.
So in this case there's no solution for the RB532 The CF card only works for cache?No, it is not possible to set MikroTik RouterOS to boot from CF on RB532.
So in my case there's nothing to be done?Paulo, RouterBOARD can be reinstalled only with Netinstall, and it works over Ether1, it is not possible to copy firmware over serial cable.