CVE-2025-34239

Advantech WebAccess/VPN < 1.1.5 Command Injection in AppManagementController.appUpgradeAction()

State: Published
Severity: 8.6 High
Published: Nov 6, 2025
Updated: Nov 17, 2025
Reserved: Apr 15, 2025

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.

Scores

CVSS	Score	Vector	Source
4.0	8.6 High	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	VulnCheck

Weaknesses

CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Affected Products

Product	Versions
WebAccess/VPNAdvantech	before 1.1.5Affected

References

https://icr.advantech.com/support/router-models/download/511/sa-2025-01-vpn-portal-2025-11-06.pdfvendor-advisorypatch
https://www.vulncheck.com/advisories/advantech-webaccess-vpn-command-injection-in-appmanagementcontrollerthird-party-advisory
https://icr.advantech.com/download/softwareproduct

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