Some Huawei smart phones with software of Leland-AL00 8.0.0.114(C636), Leland-AL00A 8.0.0.171(C00) have a denial of service (DoS) vulnerability. An attacker can trick a user to install a malicious application to exploit this vulnerability. Due to insufficient verification of the parameter, successful exploitation can cause the smartphone black screen until restarting the phone.

There is a DoS vulnerability in RTSP module of Leland-AL00A Huawei smart phones versions earlier than Leland-AL00A 9.1.0.111(C00E111R2P10T8). Remote attackers could trick the user into opening a malformed RTSP media stream to exploit this vulnerability. Successful exploit could cause the affected phone abnormal, leading to a DoS condition. (Vulnerability ID: HWPSIRT-2019-02004)

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.