{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-8806", "assignerOrgId": "e0f77b61-78fd-4786-b3fb-1ee347a748ad", "state": "PUBLISHED", "assignerShortName": "Mitsubishi", "dateReserved": "2026-05-18T05:52:04.899Z", "datePublished": "2026-06-19T02:31:04.534Z", "dateUpdated": "2026-06-19T02:31:04.534Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "e0f77b61-78fd-4786-b3fb-1ee347a748ad", "shortName": "Mitsubishi", "dateUpdated": "2026-06-19T02:31:04.534Z"}, "title": "Denial-of-service (DoS) vulnerability in MELSEC iQ-F Series FX5-ENET/IP Ethernet module", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-440", "description": "CWE-440 Expected Behavior Violation", "type": "CWE"}]}], "impacts": [{"descriptions": [{"lang": "en", "value": "Denial-of-service (DoS)"}]}], "affected": [{"vendor": "Mitsubishi Electric Corporation", "product": "Mitsubishi Electric MELSEC iQ-F Series FX5-ENET/IP Ethernet Module FX5-ENET/IP", "versions": [{"status": "affected", "version": "All versions"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "Expected Behavior Violation vulnerability in Mitsubishi Electric MELSEC iQ-F Series FX5-ENET/IP Ethernet Module FX5-ENET/IP all versions allows a remote attacker to cause a denial-of-service (DoS) condition in the affected product by continuously sending a large number of communication packets to the Ethernet port of the product in a short period of time, increasing the processing load of the product, preventing the internal anomaly-detection processing from being performed, and causing the communication function to stop.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Expected Behavior Violation vulnerability in Mitsubishi Electric MELSEC iQ-F Series FX5-ENET/IP Ethernet Module FX5-ENET/IP all versions allows a remote attacker to cause a denial-of-service (DoS) condition in the affected product by continuously sending a large number of communication packets to the Ethernet port of the product in a short period of time, increasing the processing load of the product, preventing the internal anomaly-detection processing from being performed, and causing the communication function to stop."}]}], "references": [{"url": "https://www.mitsubishielectric.com/psirt/vulnerability/pdf/2026-003_en.pdf", "tags": ["vendor-advisory"]}, {"url": "https://jvn.jp/vu/JVNVU97140216/", "tags": ["government-resource"]}, {"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-26-169-06", "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": "2026-06-19T04:30:05.897371+00:00", "updated": "2026-06-19T04:30:05.897387+00:00", "vendors": []}