Gigabyte Gn-B46B 2.4Ghz wireless broadband router firmware 1.003.00 allows local users on the same local network as the router to bypass authentication by using a copy of the router's html menu on a separate system.
Gigabyte Gn-B46B appliance has been reported prone to an authentication bypass vulnerability. It has been reported that an attacker may save the router HTML menu on a local machine, the attacker may then use this menu to access and configure an accessible router without requiring prior authentication.
Currently we are not aware of any vendor-supplied patches for this issue. If you feel we are in error or are aware of more recent information, please mail us at: firstname.lastname@example.org <mailto:email@example.com>.
There is no exploit required.