AMTT Hotel Broadband Operation System get_firstdate.php sql injection

A flaw has been found in AMTT Hotel Broadband Operation System 1.0. The impacted element is an unknown function of the file /user/portal/get_firstdate.php. Executing manipulation of the argument uid can lead to sql injection. It is possible to launch the attack remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.