Advisories

Cudy TR3000 before 2.5.42 Command Injection via VPN Configuration Upload Filename

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Severity
high
Date
Affecting
  • TR3000 1.0 >= 0, < 2.5.42

CWE
  • CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CVSS
8.6
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Description
Cudy TR3000 before 2.5.42 contains a command injection vulnerability that allows authenticated administrators to execute commands as root via an unvalidated multipart filename in the CBI FileUpload handler. Attackers can upload a valid OpenVPN configuration file through the VPN client config page with a filename containing $() shell substitution, which is passed through Lua %q to /bin/sh -c.

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