{"id":"CVE-2026-75576","aliases":["EUVD-2026-125260","GHSA-9q2q-xq2j-r88v"],"status":"published","title":"Cudy TR3000 before 2.5.42 Command Injection via VPN Configuration Upload Filename","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.","severity":{"version":"4.0","score":8.6,"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","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-14","score":0.01522,"percentile":0.75027,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-78"],"published":"2026-11-13T09:36:53Z","modified":"2026-11-13T12:31:53Z","products":[{"vendor":"shenzhen cudy technology co., ltd.","product":"tr3000 1.0"}],"references":[{"url":"https://www.cudy.com/en-us/pages/download-center/tr3000-1-0","tags":["release-notes"]},{"url":"https://d1jvyy13vm72kv.cloudfront.net/device/upgrade/m_upgrade_TR3000_256MB_Flash-R103-2.5.42-20261103-160202-sysupgrade_82672.zip","tags":["patch"]},{"url":"https://www.vulncheck.com/advisories/cudy-tr3000-before-2.5.42-command-injection-via-vpn-configuration-upload-filename","tags":["third-party-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-75576"},{"url":"https://github.com/advisories/GHSA-9q2q-xq2j-r88v"}],"sources":{"cve":[{"id":"CVE-2026-75576","title":"Cudy TR3000 before 2.5.42 Command Injection via VPN Configuration Upload Filename","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.","status":"published","published":"2026-11-13T09:36:53.086Z","modified":"2026-11-13T09:36:53.086Z","cvss":[{"version":"4.0","score":8.6,"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","level":"high","assessor":"cna"},{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-78"],"updated_at":"2026-11-13T10:27:12.71329Z"}],"euvd":[{"id":"EUVD-2026-125260","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.","status":"published","published":"2026-11-13T09:36:53Z","modified":"2026-11-13T09:36:53Z","cvss":[{"version":"4.0","score":8.6,"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","level":"high"}],"updated_at":"2026-11-13T14:38:51.246778Z"}],"ghsa":[{"id":"GHSA-9q2q-xq2j-r88v","title":"Cudy TR3000 before 2.5.42 contains a command injection vulnerability that allows authenticated...","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.","status":"published","published":"2026-11-13T12:31:44Z","modified":"2026-11-13T12:31:53Z","cvss":[{"version":"4.0","score":8.6,"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"},{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-78"],"updated_at":"2026-11-13T12:50:18.307659Z"}],"nvd":[{"id":"CVE-2026-75576","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.","status":"published","published":"2026-11-13T10:18:17.31Z","modified":"2026-11-13T10:18:17.31Z","cvss":[{"version":"4.0","score":8.6,"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-78"],"updated_at":"2026-11-13T11:35:38.96451Z"}]}}