P4Verified

CVE-2025-40899: Guardian 0 to before 26.0.0; +2 more affected products

CVE-2025-40899. CVSS 3.1 base score 8.9 (HIGH, Vendor/CNA). EPSS 0.00288 (percentile 0.19738), scored 13-Oct-2026.

Affected technology

Guardian · 0 to before 26.0.0
Nozomi Networks

CMC · 0 to before 26.0.0
Nozomi Networks

RUGGEDCOM APE1808 · 0 to before *
Siemens

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · Low privileges required · Passive user interaction

What an attacker can do

An authenticated user with custom fields privileges can define a malicious custom field containing a JavaScript payload. Vendor/CNA’s CVSS 4.0 assessment (base score 7.1/10) rates confidentiality impact as low; integrity and availability impact as high.

Published 14-Oct-2026 15:58 UTC

CWE: CWE-79
CCR priority: 35.7 /100 (P4)
CVSS 3.1: 8.9 /10 · CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:H/A:H · Vendor/CNA
EPSS: 0.00288 · percentile 0.19738 · 2026-10-13
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-14 15:56:36.793806+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2025-40899.html