CVE-2019-15423

The Bluboo Bluboo_S1 Android device with a build fingerprint of BLUBOO/Bluboo_S1/Bluboo_S1:7.0/NRD90M/1495809471:user/release-keys contains a pre-installed app with a package name of com.mediatek.factorymode app (versionCode=1, versionName=1) that allows unauthorized wireless settings modification via a confused deputy attack. This capability can be accessed by any app co-located on the device.