CVE-2021-47710: Commax Co., Ltd Smart Home Ruvie Cctv Bridge Dvr Service

High severity, CVSS 8.7. EPSS: 0.4% chance of exploitation in the next 30 days.

COMMAX Smart Home System is a smart IoT home solution that allows an unauthenticated attacker to disclose RTSP credentials in plain-text by exploiting the /overview.asp endpoint. Attackers can access sensitive information, including login credentials and DVR settings, by submitting a GET request to this endpoint.

Affected products

• Commax Co., Ltd Smart Home Ruvie Cctv Bridge Dvr Service: any version

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