CVE-2025-34237: medium-severity vulnerability in Advantech WebAccess/VPN
Advantech WebAccess/VPN < 1.1.5 Stored XSS via StandaloneVpnClientsController.addStandaloneVpnClientAction()
Published · Updated
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13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.3epss 0.2%
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.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N
Affected products
Advantech · WebAccess/VPNRelated CVEs — Advantech WebAccess/VPN
In the same product, most dangerous first.
CVE-2025-34239HIGHAdvantech WebAccess/VPN < 1.1.5 Command Injection in AppManagementController.appUpgradeAction()EPSS 1.7%CVE-2025-34238MEDIUMAdvantech WebAccess/VPN < 1.1.5 Path Traversal via AjaxStandaloneVpnClientsController.ajaxDownloadRoadWarriorConfigFileAction()EPSS 0.4%CVE-2025-34247MEDIUMAdvantech WebAccess/VPN < 1.1.5 SQL Injection via NetworksController.addNetworkAction()EPSS 0.3%CVE-2025-34246MEDIUMAdvantech WebAccess/VPN < 1.1.5 SQL Injection via AjaxPrevalidationController.ajaxAction()EPSS 0.3%CVE-2025-34245MEDIUMAdvantech WebAccess/VPN < 1.1.5 SQL Injection via AjaxStandaloneVpnClientsController.ajaxAction()EPSS 0.3%CVE-2025-34244MEDIUMAdvantech WebAccess/VPN < 1.1.5 SQL Injection via AjaxFwRulesController.ajaxDeviceFwRulesAction()EPSS 0.3%