A broken access control vulnerability in SmartHome app (Android versions up to 3.0.42190515, 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).