SQL Injection in Advantech Webaccess/vpn

CVE-2025-34245

Advantech WebAccess/VPN versions prior to 1.1.5 contain a SQL injection vulnerability in AjaxStandaloneVpnClientsController.ajaxAction() that allows an authenticated low-privileged observer user to inject SQL via datatable search parameters, leading to disclosure of database information.

Vulnerability class: SQL Injection

EPSS: 0.003 (20.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-34245?
CVE-2025-34245 is a medium-severity vulnerability in Advantech Webaccess/vpn, classified under SQL Injection. CVSS score: 6.5/10. Published 2025-11-06.
How severe is CVE-2025-34245?
Medium severity. CVSS v3 base score is 6.5 out of 10.