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

Quick assessment

Affected
Advantech WebAccess/VPN
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Advantech WebAccess/VPN是中国台湾研华（Advantech）公司的一款高级网络安全平台。 Advantech WebAccess/VPN 1.1.5之前版本存在安全漏洞，该漏洞源于AjaxStandaloneVpnClientsController.ajaxDownloadRoadWarriorConfigFileAction存在绝对路径遍历，可能导致读取任意文件。

AI Predicted 8.1 Difficulty: Easy EPSS 0.38% · P30

Possible ATT&CK Techniques 1 AI

T1083 · File and Directory Discovery
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I. Basic Information for CVE-2025-34238

Vulnerability Information
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Vulnerability Title
Advantech WebAccess/VPN < 1.1.5 Path Traversal via AjaxStandaloneVpnClientsController.ajaxDownloadRoadWarriorConfigFileAction()
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
Advantech WebAccess/VPN 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Advantech WebAccess/VPN是中国台湾研华（Advantech）公司的一款高级网络安全平台。 Advantech WebAccess/VPN 1.1.5之前版本存在安全漏洞，该漏洞源于AjaxStandaloneVpnClientsController.ajaxDownloadRoadWarriorConfigFileAction存在绝对路径遍历，可能导致读取任意文件。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Advantech WebAccess/VPN 0 ~ 1.1.5 -

II. Public POCs for CVE-2025-34238

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III. Intelligence Information for CVE-2025-34238

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Other References for CVE-2025-34238 (1)

Same Patch Batch · Advantech · 2025-11-06 · 21 CVEs total

CVE-2025-62630 8.8 HIGH Advantech DeviceOn/iEdge Path Traversal
CVE-2025-58423 8.8 HIGH Advantech DeviceOn/iEdge Path Traversal
CVE-2025-59171 7.5 HIGH Advantech DeviceOn/iEdge Path Traversal
CVE-2025-64302 6.4 MEDIUM Advantech DeviceOn/iEdge Cross-site Scripting
CVE-2025-34246 Advantech WebAccess/VPN < 1.1.5 SQL Injection via AjaxPrevalidationController.ajaxAction()
CVE-2025-34240 Advantech WebAccess/VPN < 1.1.5 SQL Injection via AppManagementController.appUpgradeAction
CVE-2025-34236 Advantech WebAccess/VPN < 1.1.5 Stored XSS via NetworksController.addNetworkAction()
CVE-2025-34247 Advantech WebAccess/VPN < 1.1.5 SQL Injection via NetworksController.addNetworkAction()
CVE-2025-34239 Advantech WebAccess/VPN < 1.1.5 Command Injection in AppManagementController.appUpgradeAct
CVE-2025-34244 Advantech WebAccess/VPN < 1.1.5 SQL Injection via AjaxFwRulesController.ajaxDeviceFwRulesA
CVE-2025-34237 Advantech WebAccess/VPN < 1.1.5 Stored XSS via StandaloneVpnClientsController.addStandalon
CVE-2025-34243 Advantech WebAccess/VPN < 1.1.5 SQL Injection via AjaxFwRulesController.ajaxNetworkFwRules
CVE-2022-50593 Advantech iView < v5.7.04 Build 6425 search_term Parameter SQL Injection RCE
CVE-2025-34241 Advantech WebAccess/VPN < 1.1.5 SQL Injection via AjaxDeviceController.ajaxDeviceAction()
CVE-2025-34245 Advantech WebAccess/VPN < 1.1.5 SQL Injection via AjaxStandaloneVpnClientsController.ajaxA
CVE-2025-34242 Advantech WebAccess/VPN < 1.1.5 SQL Injection via AjaxNetworkController.ajaxAction()
CVE-2022-50595 Advantech iView < v5.7.04 Build 6425 ztp_search_value Parameter SQL Injection RCE
CVE-2022-50591 Advantech iView < v5.7.04 Build 6425 ztp_config_id Parameter SQL Injection Information Dis
CVE-2022-50594 Advantech iView < v5.7.04 Build 6425 data Parameter SQL Injection Information Disclosure
CVE-2022-50592 Advantech iView < v5.7.04 Build 6425 getInventoryReportData Parameter SQL Injection RCE

IV. Related Vulnerabilities

Same product: WebAccess/VPN
Same vendor: Advantech
Same weakness: CWE-22

V. Comments for CVE-2025-34238

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