P4Verified

CVE-2026-33391: Guardian 0 to before 26.3.0; +2 more affected products

CVE-2026-33391. CVSS 3.1 base score 5.4 (MEDIUM, Vendor/CNA). EPSS 0.00341 (percentile 0.25963), scored 14-Oct-2026.

Affected technology

Guardian · 0 to before 26.3.0
Nozomi Networks

CMC · 0 to before 26.3.0
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 · No user interaction required

What an attacker can do

An authenticated user with limited privileges can remotely bypass the intended access control of the web management interface and modify the Smart Polling discovery configuration. Vendor/CNA’s CVSS 4.0 assessment (base score 5.3/10) rates confidentiality impact as none; integrity and availability impact as low.

Published 15-Oct-2026 09:20 UTC

CWE: CWE-863
CCR priority: 21.7 /100 (P4)
CVSS 3.1: 5.4 /10 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L · Vendor/CNA
EPSS: 0.00341 · percentile 0.25963 · 2026-10-14
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-15 09:24:28.011626+00:00 UTC
GitHub Advisory Database · Source record · observed 2026-10-15 10:43:56.988652+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-15 09:18:22.406219+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-33391.html