CVE-2025-34240 HIGH

CVE-2025-34240: Advantech WebAccess/VPN < 1.1.5 SQL Injection via AppManagementController.appUpgradeAction()

Vendor Advantech
Product WebAccess/VPN
Weakness CWE-89 · SQLi
Published November 6, 2025
Last update November 17, 2025
View on NVD All CVEs

CVSS base score

8.6/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

What the vulnerability does

01Description

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

Key dates

02Disclosure timeline

November 6, 2025 CVE published
November 17, 2025 Record updated