QKSMS Backup File androidmanifest.xml backup

A vulnerability was found in QKSMS up to 3.9.4 on Android. It has been classified as problematic. This affects an unknown part of the file androidmanifest.xml of the component Backup File Handler. The manipulation leads to exposure of backup file to an unauthorized control sphere. It is possible to launch the attack on the physical device. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-259611. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.