A broken access control vulnerability in SmartHome app (Android versions up to 3.0.42_190515, ios versions up to 2.0.22) allows an attacker in the same local area network to list user accounts and control IoT devices that connect with its gateway (HG100) via http://[target]/smarthome/devicecontrol without any authentication. CVSS 3.0 base score 10 (Confidentiality, Integrity and Availability impacts). CVSS vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H).