{"id":"CVE-2025-34239","title":"Advantech WebAccess/VPN versions prior to 1.1.5 contain a command injection vulnerability in AppManagementController.appUpgradeAction() that allows an authenticated system administrator to execute arbitrary commands as the web server use…","summary":"Advantech WebAccess/VPN versions prior to 1.1.5 contain a command injection vulnerability in AppManagementController.appUpgradeAction() that allows an authenticated system administrator to execute arbitrary commands as the web server use…","severity":"high","cvss":7.2,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-78"],"vendor":"advantech","product":"webaccess/vpn","affected":["webaccess/vpn < 1.1.5"],"patched":["webaccess/vpn 1.1.5"],"published":"2025-11-06","updated":"2026-10-07","sourceUpdated":"2026-10-07T21:10:00.200","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-34239","references":[{"url":"https://icr.advantech.com/download/software","label":"disclosure@vulncheck.com"},{"url":"https://icr.advantech.com/support/router-models/download/511/sa-2025-01-vpn-portal-2025-11-06.pdf","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/advantech-webaccess-vpn-command-injection-in-appmanagementcontroller","label":"disclosure@vulncheck.com"}],"tags":["nvd"],"epss":0.01699,"epssPercentile":0.7647,"ingestedAt":"2026-10-07T21:54:14.966Z","slug":"CVE-2025-34239","body":"## Overview\n\nAdvantech WebAccess/VPN versions prior to 1.1.5 contain a command injection vulnerability in AppManagementController.appUpgradeAction() that allows an authenticated system administrator to execute arbitrary commands as the web server user (www-data) by supplying a crafted uploaded filename.\n\n## Affected\n\n- `webaccess/vpn < 1.1.5`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `webaccess/vpn 1.1.5`","depth":"twilight","depthScore":40,"depthScoreParts":{"impact":39.6,"likelihood":0.3,"exploitation":0,"ransomware":0},"changes":[]}