Unrated severityNVD Advisory· Published Nov 6, 2025· Updated Nov 17, 2025
Advantech WebAccess/VPN < 1.1.5 SQL Injection via AjaxFwRulesController.ajaxNetworkFwRulesAction()
CVE-2025-34243
Description
Advantech WebAccess/VPN versions prior to 1.1.5 contain a SQL injection vulnerability in AjaxFwRulesController.ajaxNetworkFwRulesAction() that allows an authenticated low-privileged observer user to inject SQL via datatable search parameters, leading to disclosure of database information.
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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-sqli-via-ajaxfwrulescontroller-ajaxnetworkfwrulesactionmitrethird-party-advisory
- icr.advantech.com/download/softwaremitreproduct
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