A flaw has been found in Hisense TransTech Smart Bus Management System up to 20260113. Affected is the function PageLoad of the file YZSoft/Forms/XForm/BM/BusComManagement/TireMng.aspx. Executing a manipulation of the argument key 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.