CVE-2025-34239 HIGH

CVE-2025-34239: Advantech WebAccess/VPN < 1.1.5 Command Injection in AppManagementController.appUpgradeAction()

Vendor Advantech
Product WebAccess/VPN
Weakness CWE-78
Published November 6, 2025
Last update November 17, 2025
View on NVD All CVEs

CVSS base score

8.6/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality —
Integrity —

CVSS 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

What the vulnerability does

01Description

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 user (www-data) by supplying a crafted uploaded filename.

Key dates

02Disclosure timeline

November 6, 2025 CVE published
November 17, 2025 Record updated