Huawei smart phones have a Factory Reset Protection (FRP) bypass security vulnerability. When re-configuring the mobile phone using the factory reset protection (FRP) function, an attacker login the Talkback mode and can perform some operations to install a third-Party application. Affected products can be found in https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200115-01-frp-en.
Huawei VIP App is a mobile app for Malaysia customers that purchased P20 Series, Nova 3/3i and Mate 20. There is a vulnerability in versions before 4.0.5 that attackers can conduct bruteforce to the VIP App Web Services to get user information.