CVE-2021-47710
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Vulnerability report for CVE-2021-47710, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2025-12-09

Last updated on: 2025-12-09

Assigner: VulnCheck

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.

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Meta Information

Published
2025-12-09
Last Modified
2025-12-09
Generated
2026-07-06
AI Q&A
2025-12-09
EPSS Evaluated
2026-07-05
NVD

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
commax smart_home_system 4.0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-306 The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.

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Executive Summary

This vulnerability in the COMMAX Smart Home System allows an unauthenticated attacker to obtain RTSP credentials in plain-text by exploiting the /overview.asp endpoint. By sending a GET request to this endpoint, attackers can access sensitive information such as login credentials and DVR settings without needing any authentication.

Impact Analysis

The vulnerability can lead to unauthorized disclosure of sensitive information, including RTSP credentials and DVR settings. This can allow attackers to gain unauthorized access to the smart home system, potentially compromising the security and privacy of the home environment.

Compliance Impact

The provided resources do not contain information on how this vulnerability affects compliance with common standards and regulations such as GDPR or HIPAA.

Detection Guidance

This vulnerability can be detected by sending an unauthenticated GET request to the /overview.asp endpoint on the COMMAX Smart Home Ruvie CCTV Bridge DVR Service, typically accessible on port 8086. For example, you can use the following command to check for exposed RTSP credentials: curl http://TARGET:8086/overview.asp If the response contains RTSP URLs with embedded usernames and passwords in plain text, the system is vulnerable. [2, 4]

Mitigation Strategies

Immediate mitigation steps include restricting access to the /overview.asp endpoint by implementing proper authentication and access controls, such as firewall rules limiting access to trusted IPs only. Additionally, monitor and audit network traffic for unauthorized access attempts to this endpoint. Since the vulnerability is due to missing authentication, applying any available patches or updates from the vendor is recommended once available. [2, 4]

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