Unrated severityNVD Advisory· Published Nov 6, 2025· Updated Nov 17, 2025
Advantech WebAccess/VPN < 1.1.5 Stored XSS via StandaloneVpnClientsController.addStandaloneVpnClientAction()
CVE-2025-34237
Description
Advantech WebAccess/VPN versions prior to 1.1.5 contain a stored cross-site scripting (XSS) vulnerability via StandaloneVpnClientsController.addStandaloneVpnClientAction(). 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.
Affected products
2- Advantech/WebAccess/VPNv5Range: 0
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
3- icr.advantech.com/support/router-models/download/511/sa-2025-01-vpn-portal-2025-11-06.pdfmitrevendor-advisorypatch
- www.vulncheck.com/advisories/advantech-webaccess-vpn-stored-xss-via-standalonevpnclientscontrollermitrethird-party-advisory
- icr.advantech.com/download/softwaremitreproduct
News mentions
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