CVE-2025-34243
6.5 · MEDIUMOverview
CVE-2025-34243 is a medium-severity vulnerability affecting advantech webaccess\/vpn. It was published on November 6, 2025 and has a CVSS 3.1 base score of 6.5 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from advantech. Update webaccess\/vpn to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| advantech | webaccess\/vpn | >= 0, < 1.1.5 | Affected |
Frequently Asked Questions
What is CVE-2025-34243?
CVE-2025-34243 is a medium-severity vulnerability affecting advantech webaccess\/vpn. It was published on November 6, 2025 and has a CVSS 3.1 base score of 6.5 (MEDIUM).
How severe is CVE-2025-34243?
This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2025-34243?
Check the references section for vendor advisories and patches from advantech. Update webaccess\/vpn to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2025-34243?
CyberStrike's AI-powered security agents can automatically detect CVE-2025-34243 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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