CVE-2021-47710 - CVE House
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Status published High CVE-2021-47710

COMMAX Smart Home Ruvie CCTV Bridge DVR Service RTSP Credentials Disclosure

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • LiquidWorm as Gjoko Krstic of Zero Science Lab

References

More from COMMAX Co., Ltd.

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CVE-2021-47719
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CVE-2021-47709
COMMAX Smart Home Ruvie CCTV Bridge DVR Service Config Write / DoS
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CVE-2021-47708
COMMAX Smart Home IoT Control System SQL Injection Authentication Bypass
Critical 9.3
CVE-2021-47707
COMMAX CVD-Axx DVR Weak Default Credentials Stream Disclosure
Critical 9.3

Affected Vendor

COMMAX Co., Ltd.

View all reports →

Affected Software

Smart Home Ruvie CCTV Bridge DVR Service
Vulnerable Versions:
*

Timeline

Official Publish: December 9th, 2025
Last Modified: April 7th, 2026
Added to House: July 21st, 2026

CVSS Vectors

Weaknesses (CWE)

CWE-306

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1078 Valid Accounts
Persistence
T1136 Create Account
Persistence
T1098 Account Manipulation
Privilege Escalation
T1021 Remote Services
Lateral Movement