The Xiaomi Redmi 6 Pro Android device with a build fingerprint of xiaomi/sakura_india/sakura_india:8.1.0/OPM1.171019.019/V10.2.6.0.ODMMIXM:user/release-keys contains a pre-installed app with a package name of com.huaqin.factory app (versionCode=1, versionName=QL1715_201812191721) that allows unauthorized wireless settings modification via a confused deputy attack. This capability can be accessed by any app co-located on the device.

The Xiaomi Redmi 6 Pro Android device with a build fingerprint of xiaomi/sakura_india/sakura_india:8.1.0/OPM1.171019.019/V9.6.4.0.ODMMIFD:user/release-keys contains a pre-installed app with a package name of com.huaqin.factory app (versionCode=1, versionName=QL1715_201805292006) that allows any app co-located on the device to programmatically disable and enable Wi-Fi, Bluetooth, and GPS without the corresponding access permission through an exported interface.

The Xiaomi Redmi Note 6 Pro Android device with a build fingerprint of xiaomi/tulip/tulip:8.1.0/OPM1.171019.011/V10.2.2.0.OEKMIXM:user/release-keys contains a pre-installed app with a package name of com.qualcomm.qti.callenhancement app (versionCode=27, versionName=8.1.0) that allows other pre-installed apps to perform microphone audio recording via an accessible app component. This capability can be accessed by any pre-installed app on the device which can obtain signatureOrSystem permissions that are required by other other pre-installed apps that export their capabilities to other pre-installed app. This app allows a third-party app to use its open interface to record telephone calls to external storage.

Xiaomi Stock Browser 10.2.4.g on Xiaomi Redmi Note 5 Pro devices and other Redmi Android phones allows content provider injection. In other words, a third-party application can read the user's cleartext browser history via an app.provider.query content://com.android.browser.searchhistory/searchhistory request.

The Goodix GT9xx touchscreen driver for custom Linux kernels on Xiaomi daisy-o-oss and daisy-p-oss as used in Mi A2 Lite and RedMi6 pro devices through 2018-08-27 has a NULL pointer dereference in kfree after a kmalloc failure in gtp_read_Color in drivers/input/touchscreen/gt917d/gt9xx.c.