{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-33367", "assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "state": "PUBLISHED", "assignerShortName": "icscert", "dateReserved": "2026-04-08T19:28:49.496Z", "datePublished": "2026-10-09T14:38:37.795Z", "dateUpdated": "2026-10-09T14:38:37.795Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "shortName": "icscert", "dateUpdated": "2026-10-09T14:38:37.795Z"}, "title": "Red Lion Controls N-Tron 700 Series Missing Authentication for Critical Function", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-306", "description": "CWE-306", "type": "CWE"}]}], "affected": [{"vendor": "Red Lion Controls", "product": "700 Series", "versions": [{"status": "affected", "version": "0", "lessThan": "Firmware Versions 3.11.0", "versionType": "custom"}, {"status": "affected", "version": "0", "lessThan": "Bootloader Versions 2.0.6.1", "versionType": "custom"}, {"status": "unaffected", "version": "3.11.1"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "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\u2014all without any authentication.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "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\u2014all without any authentication."}]}], "references": [{"url": "https://www.hms-networks.com/"}, {"url": "https://www.hms-networks.com/cybersecurity"}, {"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-26-281-01"}, {"url": "https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-281-01.json"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "NONE", "baseSeverity": "HIGH", "baseScore": 8.1, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N"}}, {"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "subConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "subIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "CRITICAL", "baseScore": 9.3, "vectorString": "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"}}], "solutions": [{"lang": "en", "value": "Red Lion controls recommends the following upgrades for the N-Tron 700 Series: \n\n\n * Upgrade to firmware version 3.11.1 or greater\n * Configure or disable the SNMP communities\n * Disable access to the web GUI\n\n\n\n\n\nThe upgrade procedure document can be viewed here https://www.hms-networks.com/ .\n\n\n\n\nThe advisory issued by HMS Networks regarding these vulnerabilities can be viewed here https://www.hms-networks.com/cybersecurity .", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>Red Lion controls recommends the following upgrades for the N-Tron 700 Series: <br></p><ul><li>Upgrade to firmware version 3.11.1 or greater</li><li>Configure or disable the SNMP communities</li><li>Disable access to the web GUI</li></ul>\n<p>The upgrade procedure document can be viewed <a href=\"https://www.hms-networks.com/\">here</a>.</p>\n<p>The advisory issued by HMS Networks regarding these vulnerabilities can be viewed <a href=\"https://www.hms-networks.com/cybersecurity\">here</a>.</p>"}]}], "credits": [{"lang": "en", "value": "Gabrianna (Ria) Milloway of Idaho National Laboratory reported this vulnerability to CISA.", "type": "finder"}], "source": {"advisory": "ICSA-26-281-01", "discovery": "EXTERNAL"}, "x_generator": {"engine": "Vulnogram 1.0.5"}}}}

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