CVE-2025-34239 — HIGH (7.2)

Q: How severe is CVE-2025-34239?

CVE-2025-34239 has been rated HIGH with a CVSS base score of 7.2/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2025-34239?

Check the references section above for vendor advisories and patch information. Affected products include: Advantech Webaccess\/Vpn.

Vulnerability 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.

CVSS Score

7.2

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Advantech	Webaccess\/Vpn	< 1.1.5

Related Weaknesses (CWE)

CWE-78

References

https://icr.advantech.com/download/softwareProduct
https://icr.advantech.com/support/router-models/download/511/sa-2025-01-vpn-portRelease Notes
https://www.vulncheck.com/advisories/advantech-webaccess-vpn-command-injection-iThird Party Advisory

FAQ

What is CVE-2025-34239?

CVE-2025-34239 is a vulnerability with a CVSS score of 7.2 (HIGH). 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 arb...

How severe is CVE-2025-34239?

CVE-2025-34239 has been rated HIGH with a CVSS base score of 7.2/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-34239?

Check the references section above for vendor advisories and patch information. Affected products include: Advantech Webaccess\/Vpn.