Critical 9.3Published Dec 9, 2025

CVE-2021-47708COMMAX 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…

Updated under an hour ago (2026-10-19 09:40 UTC)

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Exploited in the last 30 days

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.

CVSS: 9.3 CRITICAL (v4.0, NVD)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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness (CWE): CWE-89
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Deferred
Record last updated: Jun 17, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

No affected products are listed yet.

References

https://github.com/zeroscience
https://www.commax.com
https://www.exploit-db.com/exploits/50207
https://www.vulncheck.com/advisories/commax-smart-home-iot-control-system-sql-injection-authentication-bypass
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5662.php

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.