CVE-2021-47708: Commax Co., Ltd Smart Home IoT Control System

Critical severity, CVSS 9.3. EPSS: 0.5% chance of exploitation in the next 30 days.

COMMAX Smart Home System CDP-1020n contains an SQL injection vulnerability that allows attackers to bypass authentication by injecting arbitrary SQL code through the 'id' parameter in 'loginstart.asp'. Attackers can exploit this by sending a POST request with malicious 'id' values to manipulate database queries and gain unauthorized access.

Affected products

Published 2025-12-09. Last modified 2026-06-17.