CVE-2025-34236

MEDIUM EPSS 7.6%
Published Nov 6, 20257mo ago · Modified Jun 17, 20261w ago
6.2 CVSS 4.0
Medium
Find Similar
Published Nov 6, 2025 7mo ago
Last Modified Jun 17, 2026 1w ago

Description

Advantech WebAccess/VPN versions prior to 1.1.5 contain a stored cross-site scripting (XSS) vulnerability via NetworksController.addNetworkAction(). Insufficient validation or escaping of user-supplied input may allow an attacker to inject and execute arbitrary script in the context of a victim's browser.

CVSS Details

Base Score
6.2
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required High
User Interaction P
Scope X

Threat Intelligence

EPSS Exploit Probability
7.6% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-79 Cross-site Scripting Injection

Affected Products 1

VendorProductVersionRange
advantechwebaccess\/vpn* <1.1.5

References 3

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

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.