Some Huawei smart phones with software Berlin-L21C10B130,Berlin-L21C185B133,Berlin-L21HNC10B131,Berlin-L21HNC185B140,Berlin-L21HNC432B151,Berlin-L22C636B160,Berlin-L22HNC636B130,Berlin-L22HNC675B150CUSTC675D001,Berlin-L23C605B131,Berlin-L24HNC567B110,FRD-L02C432B120,FRD-L02C635B130,FRD-L02C675B170CUSTC675D001,FRD-L04C567B162,FRD-L04C605B131,FRD-L09C10B130,FRD-L09C185B130,FRD-L09C432B131,FRD-L09C636B130,FRD-L14C567B162,FRD-L19C10B130,FRD-L19C432B131,FRD-L19C636B130 have a factory Reset Protection (FRP) bypass security vulnerability. When re-configuring the mobile phone using the factory reset protection (FRP) function, an attacker can login the configuration flow by Swype Keyboard and can perform some operations to update the Google account. As a result, the FRP function is bypassed.

Some huawei smartphones with software BTV-DL09C233B350, Berlin-L21HNC432B360, Berlin-L22HNC636B360, Berlin-L24HNC567B360, Berlin-L21C10B130, Berlin-L21C185B132, Berlin-L21C464B130, Berlin-L22C346B140, Berlin-L22C636B160, Berlin-L23C605B131, Berlin-L23DOMC109B160, MHA-AL00AC00B125 have a DoS vulnerability. Due to insufficient input validation, an attacker could trick a user to execute a malicious application, which could be exploited by attacker to launch DoS attacks.