Samsung Mobile devices SemWifiApClient access control vulnerability (CNVD-2022-65119)

Samsung Mobile devices is a series of Samsung mobile devices from Samsung (SAMSUNG), South Korea, including cell phones, tablets, etc. An access control vulnerability exists in SemWifiApClient, which stems from an improper access control in the SemWifiApClient’s sendDHCPACKBroadcast function, an attacker can use this vulnerability to access the Wi-Fi AP client MAC address without permission.