COMMAX Smart Home Ruvie CCTV Bridge DVR Service RTSP Credentials Disclosure

Advisories

severity: high
date: December 9, 2025
Affecting: Smart Home Ruvie CCTV Bridge DVR Service
CVE: CVE-2021-47710
CWE: CWE-306 Missing Authentication for Critical Function
CVSS: 8.7
CVSS V4 Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
References: ExploitDB-50208
COMMAX Vendor Homepage
Zero Science Lab Disclosure (ZSL-2021-5665)
Credit: LiquidWorm as Gjoko Krstic of Zero Science Lab
Description: 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.