Disclosure summary
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.
Source-reported weakness categories
CWE-78
Source-specific records & product guidance
Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.
NIST National Vulnerability Database · NVD-CVE-2025-34239
Open original source · Updated Oct 07, 2026
Only CPE matches marked vulnerable=true are indexed. AND/OR platform conditions must be checked in the original NVD record.
| Vendor | Product / association | Version / bounds |
|---|---|---|
| advantech | webaccess/vpn | * {"versionEndExcluding":"1.1.5"} |
Original records & references
- NIST NVD record
- CVE Program record
- icr.advantech.com — Product
- icr.advantech.com — Release Notes
- www.vulncheck.com — Third Party Advisory
PUBLISHED 2025-11-06T15:15:47-05:00
MODIFIED 2026-10-07T17:10:00-04:00
INGESTED 2026-10-08T12:35:14-04:00