# CVE-2025-34239: Advantech WebAccess/VPN versions prior to 1.1.5 contain a command injection vulnerability in…

Source: https://junglewise.ai/threats/cve-2025-34239-advantech-webaccess-vpn-versions-prior-to-1-1-5-contain-a-command  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2025-11-06  
License: CC BY 4.0 with a link back

CVE-2025-34239 · Severity: high · CVSS 7.2 · Published 2025-11-06

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.

Technologies: [Advantech Vpn](https://junglewise.ai/threats/technologies/advantech-vpn), [Advantech Webaccess](https://junglewise.ai/threats/technologies/webaccess). Vendors: [Advantech](https://junglewise.ai/threats/vendors/advantech).

## Quick answers

**Is CVE-2025-34239 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2025-34239 being exploited in the wild.

**How severe is CVE-2025-34239?** High severity, with a CVSS score of 7.2, published 6 November 2025.

**Which products and versions are affected?** Advantech Vpn, Advantech Webaccess. The advisory does not name versions.

**Is there a fix for CVE-2025-34239?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**Am I affected by CVE-2025-34239?** Check whether you run Advantech Vpn or Advantech Webaccess. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- Advantech Vpn
- Advantech Webaccess

## Related threats

- [Advantech WebAccess/SCADA is vulnerable to unrestricted file upload, which may allow an attacker to remotely execute arbitrary code.](https://junglewise.ai/threats/cve-2025-14849-advantech-webaccess-scada-is-vulnerable-to-unrestricted-file)
- [Advantech WebAccess/VPN versions prior to 1.1.5 contain a SQL injection vulnerability in…](https://junglewise.ai/threats/cve-2025-34247-advantech-webaccess-vpn-versions-prior-to-1-1-5-contain-a-sql)
- [Advantech WebAccess/VPN versions prior to 1.1.5 contain a SQL injection vulnerability in…](https://junglewise.ai/threats/cve-2025-34246-advantech-webaccess-vpn-versions-prior-to-1-1-5-contain-a-sql)
- [Advantech WebAccess/VPN versions prior to 1.1.5 contain a SQL injection vulnerability in…](https://junglewise.ai/threats/cve-2025-34245-advantech-webaccess-vpn-versions-prior-to-1-1-5-contain-a-sql)
- [Advantech WebAccess/VPN versions prior to 1.1.5 contain a SQL injection vulnerability in…](https://junglewise.ai/threats/cve-2025-34244-advantech-webaccess-vpn-versions-prior-to-1-1-5-contain-a-sql)