CVE-2025-34236 MEDIUM

CVE-2025-34236: Advantech WebAccess/VPN < 1.1.5 Stored XSS via NetworksController.addNetworkAction()

Vendor Advantech
Product WebAccess/VPN
Weakness CWE-79 · XSS
Published November 6, 2025
Last update November 17, 2025
View on NVD All CVEs

CVSS base score

6.2/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction —
Confidentiality —
Integrity —

CVSS vector

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

What the vulnerability does

01Description

Advantech WebAccess/VPN versions prior to 1.1.5 contain a stored cross-site scripting (XSS) vulnerability via NetworksController.addNetworkAction(). Insufficient validation or escaping of user-supplied input may allow an attacker to inject and execute arbitrary script in the context of a victim's browser.

Key dates

02Disclosure timeline

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