Cudy TR3000 before 2.5.42 contains an OS command injection vulnerability that allows a malicious or compromised ACS to execute commands as…
CVE-2026-75495
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 a crafted InternetGatewayDevice.User.{i}.Password value. Attackers can send a SetParameterValues request with shell metacharacters that obuspasystem.lua concatenates into a luci.util.exec() command string, gaining root command execution.
Assessment
- CVSS
- 9.2 (v4.0)
- Severity
- Critical
- Known exploited
- Not listed in CISA KEV
- Exploit availability
- Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
- Published
- 13 November 2026
- Last updated
- 13 November 2026
- Affected
- Shenzhen Cudy Technology Co., Ltd. · TR3000 1.0
- Assigner
- VulnCheck
CVSS vectorCVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
At the source
References
- https://www.cudy.com/en-us/pages/download-center/tr3000-1-0
- https://d1jvyy13vm72kv.cloudfront.net/device/upgrade/m_upgrade_TR3000_256MB_Flash-R103-2.5.42-20261103-160202-sysupgrade_82672.zip
- https://www.vulncheck.com/advisories/cudy-tr3000-before-2.5.42-os-command-injection-via-tr-098-user-password-parameter
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