CVE-2019-15420

The Blackview BV9000Pro-F Android device with a build fingerprint of Blackview/BV9000Pro-F/BV9000Pro-F:7.1.1/N4F26M/1514363110: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.

Source: CVE-2019-15420