Advantech WebAccess/VPN up to 1.1.4 Search Parameter AjaxPrevalidationController.ajaxAction sql injection

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Advantech WebAccess and VPN up to 1.1.4. This affects the function AjaxPrevalidationController.ajaxAction of the component Search Parameter Handler. The manipulation results in sql injection. This vulnerability is known as CVE-2025-34246. It is possible to launch the attack remotely. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Advantech WebAccess and VPN up to 1.1.4. Affected is the function AjaxPrevalidationController.ajaxAction of the component Search Parameter Handler. The manipulation with an unknown input leads to a sql injection vulnerability. CWE is classifying the issue as CWE-89. The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

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

The weakness was published by Alex Williams. The advisory is available at icr.advantech.com. This vulnerability is traded as CVE-2025-34246 since 04/15/2025. The exploitability is told to be easy. It is possible to launch the attack remotely. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1505 by the MITRE ATT&CK project.

Upgrading to version 1.1.5 eliminates this vulnerability.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Sql injection
CWE: CWE-89 / CWE-74 / CWE-707
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: WebAccess/VPN 1.1.5

Timelineinfo

04/15/2025 CVE reserved
11/06/2025 +205 days Advisory disclosed
11/06/2025 +0 days VulDB entry created
11/28/2025 +22 days VulDB entry last update

Sourcesinfo

Vendor: advantech.com

Advisory: icr.advantech.com
Researcher: Alex Williams
Status: Confirmed

CVE: CVE-2025-34246 (🔒)
GCVE (CVE): GCVE-0-2025-34246
GCVE (VulDB): GCVE-100-331410

Entryinfo

Created: 11/06/2025 21:49
Updated: 11/28/2025 20:01
Changes: 11/06/2025 21:49 (70), 11/28/2025 20:01 (11)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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