CVE-2025-34236CWE-79cross-site-scripting

CVE-2025-34236

Medium · published November 7, 2025

CVSS v3.1
5.4
EPSS
0%
Percentile
11.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.4 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00219 · 11.7th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2025-11-07T01:15Z
Affected products (1)
ProductVersionsFixed in
advantech/webaccess\/vpn< 1.1.51.1.5
References (3)
https://icr.advantech.com/download/software · [email protected]https://icr.advantech.com/support/router-models/download/511/sa-2025-01-vpn-portal-2025-11-06.pdf · [email protected]https://www.vulncheck.com/advisories/advantech-webaccess-vpn-stored-xss-via-networkcontroller · [email protected]
EPSS history
Timeline
  • 06 NOV 19:39Z
    Advantech WebAccess/VPN < 1.1.5 Stored XSS via NetworksController.addNetworkAction()
    cvelistv5