CVE-2025-34239
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-11-06

Last updated on: 2025-12-04

Assigner: VulnCheck

Description
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.
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Meta Information
Published
2025-11-06
Last Modified
2025-12-04
Generated
2026-06-16
AI Q&A
2025-11-06
EPSS Evaluated
2026-06-15
NVD
CVE-2025-34239
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
advantech webaccess\/vpn to 1.1.5 (exc)
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-78 The product 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.
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Executive Summary

This vulnerability is a command injection flaw in Advantech WebAccess/VPN versions prior to 1.1.5. It occurs in the AppManagementController.appUpgradeAction() function, where an authenticated system administrator can execute arbitrary commands on the web server by providing a specially crafted uploaded filename. The commands run with the privileges of the web server user (www-data).

Impact Analysis

An attacker who is an authenticated system administrator can exploit this vulnerability to execute arbitrary commands on the server hosting the web application. This can lead to unauthorized control over the server, potential data compromise, service disruption, or further attacks within the network.

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