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Medium 6.9Published Nov 6, 2025

CVE-2025-34238Advantech WebAccess/VPN < 1.1.5 Path Traversal via AjaxStandaloneVpnClientsController.ajaxDownloadRoadWarriorConfigFileAction()

Updated under an hour ago ()

Does this affect you?

It affects Advantech WebAccess/VPN and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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.

CVSS
6.9 MEDIUM (v4.0, CNA)CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Weakness (CWE)
CWE-22
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
VulnCheck
NVD analysis
Analyzed
Record last updated
Nov 17, 2025
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
Advantech WebAccess/VPN
advantech:webaccess_vpn (from the name)
before 1.1.5
CNA record
advantech webaccess/vpn
advantech:webaccess/vpn
before 1.1.5
NVD

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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