CVE-2021-47710

HIGH

COMMAX Smart Home System - Info Disclosure

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2021-47710. PoCs published by LiquidWorm.

AI-analyzed exploit summary This exploit demonstrates an unauthenticated information disclosure vulnerability in COMMAX Smart Home Ruvie CCTV Bridge DVR Service, where RTSP credentials are exposed in plain-text via an HTTP request to the `/overview.asp` endpoint.

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.

Exploits (1)

exploitdb WORKING POC
by LiquidWorm · textwebappshardware
https://www.exploit-db.com/exploits/50208

This exploit demonstrates an unauthenticated information disclosure vulnerability in COMMAX Smart Home Ruvie CCTV Bridge DVR Service, where RTSP credentials are exposed in plain-text via an HTTP request to the `/overview.asp` endpoint.

Classification
Working Poc 100%
Attack Type
Info Leak
Complexity
Trivial
Reliability
Reliable
Target: COMMAX Smart Home Ruvie CCTV Bridge DVR Service (version n/a)
No auth needed
Prerequisites: Network access to the target device on port 8086
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (4)

Core 4
Core References
Exploit, Third Party Advisory exploit
https://www.exploit-db.com/exploits/50208
Various Sources product
https://www.commax.com
Third Party Advisory third-party-advisory
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5665.php

Scores

CVSS v4 8.7
EPSS 0.0032
EPSS Percentile 23.8%
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

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-306
Status published
Products (1)
COMMAX Co., Ltd./Smart Home Ruvie CCTV Bridge DVR Service
Published Dec 09, 2025
Tracked Since Feb 18, 2026