AMTT Hotel Broadband Operation System cardmake_down.php sql injection

A security flaw has been discovered in AMTT Hotel Broadband Operation System 1.0. This affects an unknown part of the file /manager/card/cardmake_down.php. Performing manipulation of the argument ID results in sql injection. It is possible to initiate the attack remotely. The exploit has been released to the public and may be exploited. The vendor was contacted early about this disclosure but did not respond in any way.