CVE-2026-126953
HIGH
NVD
CVSS Score
8.1
Severity
HIGH
Published
Nov 13, 2026
Vendor
unknown
Description
Cudy TR3000 before 2.5.42 contains an OS command injection vulnerability that allows a malicious or compromised ACS to execute commands as root by supplying an unvalidated InternetGatewayDevice.User.{i}.Username value. Attackers can send a SetParameterValues request with shell metacharacters that set_UserUsername() in obuspa_system.lua passes to os.execute(), gaining root command execution.