I can confirm that it happen in both the gui and the console.I have CBS350-12-XT, and when connected to vlan 1 from a laptop, trying to add an ip in another vlan than 1, lets says it is vlan 100, added a ip in there on both the gui or in the console ...

It is very weird, a fpr-1010 with factory-reset performen from rommon, will get you to this endless loop:firepower-1010 login: adminPassword:Successful login attempts for user 'admin' : 1We trust you have received the usual lecture from the local Sys...