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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.

PUBLISHED Reserved 2025-12-05 | Published 2025-12-09 | Updated 2025-12-10 | Assigner VulnCheck




HIGH: 8.7CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Problem types

CWE-306: Missing Authentication for Critical Function

Product status

Default status
unaffected

*
affected

Credits

LiquidWorm as Gjoko Krstic of Zero Science Lab finder

References

www.exploit-db.com/exploits/50209 (ExploitDB-50209) exploit

www.commax.com (Official Product Homepage) product

www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5666.php (Zero Science Lab Disclosure (ZSL-2021-5666)) third-party-advisory

www.vulncheck.com/...ctv-bridge-dvr-service-config-write-dos (VulnCheck Advisory: COMMAX Smart Home Ruvie CCTV Bridge DVR Service Config Write / DoS) third-party-advisory

cve.org (CVE-2021-47709)

nvd.nist.gov (CVE-2021-47709)

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