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Status published
High
CVE-2021-47709
COMMAX Smart Home Ruvie CCTV Bridge DVR Service Config Write / DoS
Vulnerability Description
COMMAX Smart Home System allows an unauthenticated attacker to change configuration and cause denial-of-service through the setconf endpoint. Attackers can trigger a denial-of-service scenario by sending a malformed request to the setconf 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-2021-47710
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CVE-2021-47708
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CVE-2021-47707
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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