Medium severity · published Nov 6, 2025
CVE-2025-34240
Advantech WebAccess/VPN < 1.1.5 SQL Injection via AppManagementController.appUpgradeAction()
6.5
CVSS
0.3%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 24% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WE
WebAccess/VPN · Advantech
before 1.1.5 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-34240
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-34240
Product
https://icr.advantech.com/download/software
Release Notes
https://icr.advantech.com/support/router-models/download/511/sa-2025-01-vpn-portal-2025-11-06.pdf
Third Party Advisory
https://www.vulncheck.com/advisories/advantech-webaccess-vpn-sqli-via-appmanagementcontroller-appupgradeaction
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