There actually is a back door allowing you to interact with these devices in the familiar IOS way. Just append "/exec" onto the URL in your browser, log in as you normally would, and you get a menu with a load of IOS top-level commands. You can enter...
Price ; Reliability ; Fully manageable ; Two 1000TX ports ; A real IOS device despite appearances
Official" web interface frankly sucks ; Probably not configurable for AAA with TACACS+ / RADIUS