New ADSL modem without name ?

Hi all,

I got airtel connection recently, the modem i got from airtel ISP itself. The brand of the modem is unknown (no label or name on front & back side of the modem). while i try to login my modem configuration page i got this and may anybody know what brand of modem is this ?
What i want to know is this secured device or any chinese product with less secured product ?

Type ID and password as admin and log in. You may be able to see manufacturer's logo. Airtel mostly give Beetel modems.

same no manufacturer or brand logo. so today discussed with airtel team they have replace a new beetel modem.