Advantech WebAccess/VPN <1.1.5: Auth Cmd Injection via AppMgmtCtrl
CVE-2025-34239 Published on November 6, 2025
Advantech WebAccess/VPN < 1.1.5 Command Injection in AppManagementController.appUpgradeAction()
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.
Weakness Type
What is a Shell injection Vulnerability?
The software constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.
CVE-2025-34239 has been classified to as a Shell injection vulnerability or weakness.
Products Associated with CVE-2025-34239
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Affected Versions
Advantech WebAccess/VPN:- Before 1.1.5 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.