{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-8805", "assignerOrgId": "e0f77b61-78fd-4786-b3fb-1ee347a748ad", "state": "PUBLISHED", "assignerShortName": "Mitsubishi", "dateReserved": "2026-05-18T05:51:43.565Z", "datePublished": "2026-06-19T02:26:57.176Z", "dateUpdated": "2026-06-19T02:26:57.176Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "e0f77b61-78fd-4786-b3fb-1ee347a748ad", "shortName": "Mitsubishi", "dateUpdated": "2026-06-19T02:26:57.176Z"}, "title": "Denial-of-service (DoS) vulnerability in MELSEC iQ-F Series EtherNet/IP module", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-190", "description": "CWE-190 Integer Overflow or Wraparound", "type": "CWE"}]}], "impacts": [{"descriptions": [{"lang": "en", "value": "Denial of Service (DoS)"}]}], "affected": [{"vendor": "Mitsubishi Electric Corporation", "product": "Mitsubishi Electric MELSEC iQ-F Series FX5-EIP EtherNet/IP Module FX5-EIP", "versions": [{"status": "affected", "version": "versions 1.000 and prior"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "Integer Overflow or Wraparound vulnerability in the EtherNet/IP function of Mitsubishi Electric MELSEC iQ-F Series FX5-EIP EtherNet/IP module FX5-EIP versions 1.000 and prior allows a remote attacker to cause a denial-of-service (DoS) condition in the affected product by rapidly establishing a large number of TCP connections to it, resulting in an inconsistency in the product's internal connection management process and triggering improper memory access.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Integer Overflow or Wraparound vulnerability in the EtherNet/IP function of Mitsubishi Electric MELSEC iQ-F Series FX5-EIP EtherNet/IP module FX5-EIP versions 1.000 and prior allows a remote attacker to cause a denial-of-service (DoS) condition in the affected product by rapidly establishing a large number of TCP connections to it, resulting in an inconsistency in the product's internal connection management process and triggering improper memory access."}]}], "references": [{"url": "https://www.mitsubishielectric.com/psirt/vulnerability/pdf/2026-002_en.pdf", "tags": ["vendor-advisory"]}, {"url": "https://jvn.jp/vu/JVNVU97140216/", "tags": ["government-resource"]}, {"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-26-169-05", "tags": ["government-resource"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "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": "HIGH", "baseScore": 8.7, "vectorString": "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"}}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 0.5.0"}}}}

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{"created": "2026-06-19T04:30:05.898315+00:00", "updated": "2026-06-19T04:30:05.898325+00:00", "vendors": []}