CVE-2021-47709CWE-306

COMMAX Smart Home Ruvie CCTV Bridge DVR Service Config Write / DoS

High · published December 9, 2025

CVSS v4.0
8.7
EPSS
0%
Percentile
27.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
8.7 · HIGH
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
EPSS
0.00350 · 27.4th percentile
Weakness
CWE-306 · Missing Authentication for Critical Function
Published
2025-12-09T20:39Z
EPSS history
Timeline
  • 09 DEC 20:39Z
    COMMAX Smart Home Ruvie CCTV Bridge DVR Service Config Write / DoS
    cvelistv5