Rockwell Automation FLEX I/O Dual-port EtherNet/IP Adapters – Multiple Vulnerabilities_CVE-2026-0646

{
    "lastseen": "",
    "description": "A denial-of-service security issue exists within the 1794-AENTR adapter due to improper\u00a0memory handling\u00a0of CIP protocol requests. This\u00a0vulnerability\u00a0can result in the\u00a0adapter\u00a0faulting and losing connection to\u00a0its\u00a0associated I/O modules, requiring a manual reset to recover.",
    "published": "2026-06-16T14:19:21.386Z",
    "modified": "2026-06-16T14:19:21.386Z",
    "type": "cve",
    "title": "Rockwell Automation FLEX I/O Dual-port EtherNet/IP Adapters \u2013 Multiple Vulnerabilities",
    "source": "Rockwell",
    "references": "https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1775.html",
    "id": "CVE-2026-0646",
    "bulletinFamily": "",
    "cwe": [
        "CWE-401"
    ],
    "cvelist": null,
    "sourceData": "Rockwell Automation FLEX I/O EtherNet/IP Adapters 2.012",
    "sourceHref": "",
    "cvss": {
        "score": 8.7,
        "severity": "HIGH",
        "vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
        "version": "4.0"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
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            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "FLEX I/O EtherNet/IP Adapters",
    "version": "2.012",
    "vendor": "Rockwell Automation",
    "ai_description": "Denial-of-service vulnerability due to improper memory handling of CIP protocol requests",
    "ai_severity": "High",
    "ai_vendor": "Rockwell Automation",
    "ai_product": "FLEX I/O EtherNet/IP Adapters",
    "ai_version": "2.012",
    "ai_score": 8.7
}