Vulnerability · Published Dec 9, 2025 · Assigned by VulnCheck

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

High 8.7

In plain English

A high-severity missing authentication in Smart Home Ruvie CCTV Bridge DVR Service from COMMAX Co., Ltd.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 29% of all known vulnerabilities).

Severity (CVSS 4.0)8.7High

Exploit odds (30 days)0.4%top 71.2% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
COMMAX Co., Ltd.	Smart Home Ruvie CCTV Bridge DVR Service	*

Weakness: CWE-306 · 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 exploit
COMMAX Homepage product
Zero Science Lab Disclosure (ZSL-2021-5665) third-party-advisory
VulnCheck Advisory: COMMAX Smart Home Ruvie CCTV Bridge DVR Service RTSP Credentials Disclosure third-party-advisory