CVE-2021-47710 HIGH

CVE-2021-47710: COMMAX Smart Home Ruvie CCTV Bridge DVR Service RTSP Credentials Disclosure

Vendor Commax Co., Ltd.
Product Smart Home Ruvie CCTV Bridge DVR Service
Weakness CWE-306 · Missing auth
Published December 9, 2025
Last update April 7, 2026

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS 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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

December 9, 2025 CVE published
April 7, 2026 Record updated