Advantech WebAccess/VPN up to 1.1.4 Search Parameter AppManagementController.appUpgradeAction 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 labeled as critical has been found in Advantech WebAccess and VPN up to 1.1.4. The impacted element is the function AppManagementController.appUpgradeAction of the component Search Parameter Handler. The manipulation results in sql injection. This vulnerability is cataloged as CVE-2025-34240. The attack may be launched remotely. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Advantech WebAccess and VPN up to 1.1.4. It has been classified as critical. Affected is the function AppManagementController.appUpgradeAction 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 AppManagementController.appUpgradeAction() that allows an authenticated low-privileged observer user to inject SQL via datatable search parameters, leading to disclosure of database information.

The weakness was shared by Alex Williams. The advisory is shared for download at icr.advantech.com. This vulnerability is traded as CVE-2025-34240 since 04/15/2025. The exploitability is told to be easy. It is possible to launch the attack remotely. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1505.

Upgrading to version 1.1.5 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-38170). Once again VulDB remains the best source for vulnerability data.

Productinfo

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Vendor

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Version

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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
11/29/2025 +23 days VulDB entry last update

Sourcesinfo

Vendor: advantech.com

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

CVE: CVE-2025-34240 (🔒)
GCVE (CVE): GCVE-0-2025-34240
GCVE (VulDB): GCVE-100-331404
EUVD: 🔒

Entryinfo

Created: 11/06/2025 21:45
Updated: 11/29/2025 03:25
Changes: 11/06/2025 21:45 (70), 11/28/2025 19:39 (11), 11/29/2025 03:25 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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