PT-2025-45356 · Advantech · Webaccess/Vpn

Alex Williams · CVE-2025-34239 · Published 2025-10-31 · Updated 2025-11-07

Positive Technologies (AI Summary)

CVSS v2.0

9.0

High

Base vector

AV:N/AC:L/Au:S/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Advantech WebAccess/VPN versions prior to 1.1.5

Description The software contains a command injection issue in the AppManagementController.appUpgradeAction() function. A system administrator with authentication can execute arbitrary commands as the web server user (www-data) by providing a specially crafted filename during an upload process.

Recommendations Update to version 1.1.5 or later.

Fix

OS Command Injection

Weakness Enumeration

CWE-78

Related Identifiers

BDU:2025-13988

CVE-2025-34239

Affected Products

Webaccess/Vpn

References · 7

• https://bdu.fstec.ru/vul/2025-13988 · Security Note
• https://osv.dev/vulnerability/CVE-2025-34239 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-34239 · Security Note
• https://icr.advantech.com/download/software · Note
• https://icr.advantech.com/support/router-models/download/511/sa-2025-01-vpn-portal-2025-11-06.pdf · Patch, Vendor Advisory
• https://vulncheck.com/advisories/advantech-webaccess-vpn-command-injection-in-appmanagementcontroller · Note
• https://twitter.com/VulmonFeeds/status/1986657152157589676 · Twitter Post