Description
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.
Published: 2026-10-09
Score: 9.3 Critical
EPSS: n/a
KEV: No
AI Analysis

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Remediation

Vendor Solution

Red Lion controls recommends the following upgrades for the N-Tron 700 Series: * Upgrade to firmware version 3.11.1 or greater * Configure or disable the SNMP communities * Disable access to the web GUI The upgrade procedure document can be viewed here https://www.hms-networks.com/ . The advisory issued by HMS Networks regarding these vulnerabilities can be viewed here https://www.hms-networks.com/cybersecurity .

Tracking

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Advisories

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History

Fri, 09 Oct 2026 14:45:00 +0000

Type Values Removed Values Added
Description 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.
Title Red Lion Controls N-Tron 700 Series Missing Authentication for Critical Function
Weaknesses CWE-306
References
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N'}

cvssV4_0

{'score': 9.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N'}

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: icscert

Published:

Updated: 2026-10-09T14:38:37.795Z

Reserved: 2026-04-08T19:28:49.496Z

Link: CVE-2026-33367

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-09T15:17:14.340

Modified: 2026-10-09T15:17:14.340

Link: CVE-2026-33367

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-09T15:30:08Z

Weaknesses
  • CWE-306

    Missing Authentication for Critical Function