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Description

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.

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




CRITICAL: 9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Problem types

CWE-89: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

Product status

Default status
unaffected

CDP-1020n
affected

481 System
affected

Credits

LiquidWorm as Gjoko Krstic of Zero Science Lab finder

References

www.exploit-db.com/exploits/50207 (ExploitDB-50207) exploit

www.commax.com (Official Product Homepage) product

www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5662.php (Zero Science Lab Disclosure (ZSL-2021-5662)) third-party-advisory

github.com/zeroscience (Zero Science GitHub Repository) product

www.vulncheck.com/...tem-sql-injection-authentication-bypass (VulnCheck Advisory: COMMAX Smart Home IoT Control System SQL Injection Authentication Bypass) third-party-advisory

cve.org (CVE-2021-47708)

nvd.nist.gov (CVE-2021-47708)

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