What is CVE-2026-33367?

CVE-2026-33367 is a high-severity vulnerability in Red Lion Controls 700 Series, classified under Missing Authentication for Critical Function. CVSS score: 8.1/10. Published 2026-10-09.

How severe is CVE-2026-33367?

High severity. CVSS v3 base score is 8.1 out of 10.

Auth bypass in Red Lion Controls 700 Series

CVE-2026-33367

SNMP can be used to perform administrative actions such as retrieving configuration files, modifying user accounts or device settings, and initiating firmware or bootloader upgrades or downgrades—all without any authentication.

Vulnerability class: Broken Authentication

Published 2026-10-09 · last modified 2026-10-09.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Red Lion Controls 700 Series

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

Frequently asked questions

What is CVE-2026-33367?: CVE-2026-33367 is a high-severity vulnerability in Red Lion Controls 700 Series, classified under Missing Authentication for Critical Function. CVSS score: 8.1/10. Published 2026-10-09.
How severe is CVE-2026-33367?: High severity. CVSS v3 base score is 8.1 out of 10.