CVE-2025-34239

HIGH

Advantech Webaccess/vpn < 1.1.5 - OS Command Injection

Title source: rule

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.

References (3)

[Product] https://icr.advantech.com/download/software

[Release Notes] https://icr.advantech.com/support/router-models/download/511/sa-2025-01-vpn-portal-2025-11-06.pdf

[Third Party Advisory] https://www.vulncheck.com/advisories/advantech-webaccess-vpn-command-injection-in-appmanagementcontroller

Scores

CVSS v3 7.2

EPSS 0.0028

EPSS Percentile 50.7%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Classification

CWE

CWE-78

Status published

Affected Products (1)

advantech/webaccess\/vpn < 1.1.5

Timeline

Published Nov 06, 2025

Tracked Since Feb 18, 2026