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

Quick assessment

Affected
COMMAX Co., Ltd. Smart Home Ruvie CCTV Bridge DVR Service
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

COMMAX Smart Home System是韩国COMMAX公司的一个智能家居系统。 COMMAX Smart Home System存在访问控制错误漏洞，该漏洞源于overview.asp端点存在明文凭据泄露问题，可能导致敏感信息泄露。

AI Predicted 7.5 Difficulty: Easy EPSS 0.35% · P27

Possible ATT&CK Techniques 1 AI

T1552.005 · Cloud Instance Metadata API
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I. Basic Information for CVE-2021-47710

Vulnerability Information
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Vulnerability Title
COMMAX Smart Home Ruvie CCTV Bridge DVR Service RTSP Credentials Disclosure
Source: CVE Program / CVE List V5
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.
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
COMMAX Smart Home System 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
COMMAX Smart Home System是韩国COMMAX公司的一个智能家居系统。 COMMAX Smart Home System存在访问控制错误漏洞，该漏洞源于overview.asp端点存在明文凭据泄露问题，可能导致敏感信息泄露。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

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

II. Public POCs for CVE-2021-47710

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III. Intelligence Information for CVE-2021-47710

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Exploits & Public PoCs for CVE-2021-47710 (1)

Other References for CVE-2021-47710 (3)

Same Patch Batch · COMMAX Co., Ltd. · 2025-12-09 · 7 CVEs total

CVE-2021-47709 COMMAX Smart Home Ruvie CCTV Bridge DVR Service Config Write / DoS
CVE-2021-47708 COMMAX Smart Home IoT Control System SQL Injection Authentication Bypass
CVE-2021-47705 CNC_Ctrl DllUnregisterServer Access Violation
CVE-2021-47707 COMMAX CVD-Axx DVR Weak Default Credentials Stream Disclosure
CVE-2021-47706 COMMAX Biometric Access Control System Authentication Bypass
CVE-2021-47719 CNC_Ctrl DllUnregisterServer f5501 Access Violation

IV. Related Vulnerabilities

Same product: Smart Home Ruvie CCTV Bridge DVR Service
Same vendor: COMMAX Co., Ltd.
Same weakness: CWE-306

V. Comments for CVE-2021-47710

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