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Vulnerabilities

Vulnerability · CVE-2025-34245

Advantech WebAccess/VPN versions prior to 1.1.5 contain a SQL injection vulnerability in AjaxStandaloneVpnClientsController.ajaxAction() that allows an authenticated low-privileged

Published Nov 6, 2025 · catalog updated Nov 17, 2025 · Advantech WebAccess/VPN

Last checked Oct 31, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-34245. EPSS is 0.31%. Act only if a listed version of Advantech WebAccess/VPN is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Medium5.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.31%
Remediation
Version ranges on file
Affected products
vendor Advantech WebAccess/VPN 0 <1.1.5

Advantech WebAccess/VPN versions prior to 1.1.5 contain a SQL injection vulnerability in AjaxStandaloneVpnClientsController.ajaxAction() that allows an authenticated low-privileged observer user to inject SQL via datatable search parameters, leading to disclosure of database information.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Advantech WebAccess/VPN 0 <1.1.50 <1.1.5

How to fix CVE-2025-34245

  • Upgrade

    CVE-2025-34245 lists a fix boundary at 1.1.5. Compare the installed build with that boundary before you change production.

  • Version check

    Seen in 0 <1.1.5

  • Advisory

    Open the cve_org record and follow its fix.

  • Official advisories

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-34245. EPSS is 0.31%. Act only if a listed version of Advantech WebAccess/VPN is installed.

Which versions are affected?

Compare what you have installed with Advantech WebAccess/VPN 0 <1.1.5 0 <1.1.5. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.31%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Nov 6, 2025 · EUVD

    Detected

    Advantech WebAccess/VPN versions prior to 1.1.5 contain a SQL injection vulnerability in AjaxStandaloneVpnClientsController.ajaxAction() that allows an authenticated low-privileged observer user to inject SQL via datatable search parameters, leading to disclosure of database information.

  2. Nov 17, 2025 · EUVD

    Updated

    Advantech WebAccess/VPN versions prior to 1.1.5 contain a SQL injection vulnerability in AjaxStandaloneVpnClientsController.ajaxAction() that allows an authenticated low-privileged observer user to inject SQL via datatable search parameters, leading to disclosure of database information.

Sources

  • CVE.orgVulnerability recordCVE-2025-34245

    Official CVE identifier

    cve.org
  • EUVDVulnerability recordEUVD-2025-38163

    Advantech WebAccess/VPN versions prior to 1.1.5 contain a SQL injection vulnerability in AjaxStandaloneVpnClientsController.ajaxAction() that allows an authenticated low-privileged observer user to inject SQL via datatable search parameters, leading to disclosure of database info

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 31, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • CVE.orgOct 25, 2026
  • EUVDOct 25, 2026