CVE-2021-47708CWE-89

COMMAX Smart Home IoT Control System SQL Injection Authentication Bypass

Critical · published December 9, 2025

CVSS v4.0
9.3
EPSS
1%
Percentile
43.9
In the wild
Unconfirmed
What it is

COMMAX Smart Home System CDP-1020n contains an SQL injection vulnerability that allows attackers to bypass authentication by injecting arbitrary SQL code through the 'id' parameter in 'loginstart.asp'. Attackers can exploit this by sending a POST request with malicious 'id' values to manipulate database queries and gain unauthorized access.

The record
Technical detail
CVSS v4.0
9.3 · CRITICAL
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.00528 · 43.9th percentile
Weakness
CWE-89 · Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Published
2025-12-09T20:39Z
EPSS history
Timeline
  • 09 DEC 20:39Z
    COMMAX Smart Home IoT Control System SQL Injection Authentication Bypass
    cvelistv5