CVE-2026-126953

HIGHCVSS 8.12% EPSS

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.

Published 2026-11-13 · last modified 2026-11-13

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Ncerio by BeyondNets · data from NVD, CISA KEV, EPSS.