CVE-2025-34242

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

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://icr.advantech.com/download/software	Product
https://icr.advantech.com/support/router-models/download/511/sa-2025-01-vpn-portal-2025-11-06.pdf	Release Notes
https://www.vulncheck.com/advisories/advantech-webaccess-vpn-sqli-via-ajaxnetworkcontroller	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:advantech:webaccess\/vpn:*:*:*:*:*:*:*:*

History

28 Nov 2025, 16:58

Type	Values Removed	Values Added
CPE		cpe:2.3:a:advantech:webaccess\/vpn::::::::
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 6.5
References	~~() https://icr.advantech.com/download/software -~~	() https://icr.advantech.com/download/software - Product
References	~~() https://icr.advantech.com/support/router-models/download/511/sa-2025-01-vpn-portal-2025-11-06.pdf -~~	() https://icr.advantech.com/support/router-models/download/511/sa-2025-01-vpn-portal-2025-11-06.pdf - Release Notes
References	~~() https://www.vulncheck.com/advisories/advantech-webaccess-vpn-sqli-via-ajaxnetworkcontroller -~~	() https://www.vulncheck.com/advisories/advantech-webaccess-vpn-sqli-via-ajaxnetworkcontroller - Third Party Advisory
First Time		Advantech webaccess\/vpn Advantech

06 Nov 2025, 20:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-11-06 20:15

Updated : 2025-11-28 16:58

NVD link : CVE-2025-34242

Mitre link : CVE-2025-34242

CVE.ORG link : CVE-2025-34242

JSON object : View

Products Affected

advantech

webaccess\/vpn

CWE

CWE-89

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

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