P4Verified

CVE-2026-33389: Guardian 0 to before 26.3.0; +3 more affected products

CVE-2026-33389. CVSS 3.1 base score 7.5 (HIGH, Vendor/CNA). EPSS 0.00159 (percentile 0.0454), scored 14-Oct-2026.

Affected technology

Guardian · 0 to before 26.3.0
Nozomi Networks

CMC · 0 to before 26.3.0
Nozomi Networks

Arc · 0 to before 2.7.0
Nozomi Networks

RUGGEDCOM APE1808 · 0 to before *
Siemens

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · No privileges required · Passive user interaction

What an attacker can do

The attacker can access and tamper with the device's data and to disrupt its operations. Vendor/CNA’s CVSS 4.0 assessment (base score 5.3/10) rates confidentiality, integrity and availability impact as none.

Published 15-Oct-2026 09:20 UTC

CWE: CWE-671
CCR priority: 30.0 /100 (P4)
CVSS 3.1: 7.5 /10 · CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:L/A:L · Vendor/CNA
EPSS: 0.00159 · percentile 0.0454 · 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-2026-33389.html