Unrated severityNVD Advisory· Published Nov 6, 2025· Updated Nov 17, 2025
Advantech WebAccess/VPN < 1.1.5 Path Traversal via AjaxStandaloneVpnClientsController.ajaxDownloadRoadWarriorConfigFileAction()
CVE-2025-34238
Description
Advantech WebAccess/VPN versions prior to 1.1.5 contain an absolute path traversal via AjaxStandaloneVpnClientsController.ajaxDownloadRoadWarriorConfigFileAction() that allows an authenticated network administrator to cause the application to read and return the contents of arbitrary files the web user (www-data) can access.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2Patches
Vulnerability mechanics
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-path-traversal-via-ajaxstandalonevpnclientscontrollermitrethird-party-advisory
- icr.advantech.com/download/softwaremitreproduct
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