{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-1874","assignerOrgId":"e0f77b61-78fd-4786-b3fb-1ee347a748ad","state":"PUBLISHED","assignerShortName":"Mitsubishi","dateReserved":"2026-02-04T04:08:41.166Z","datePublished":"2026-03-03T06:46:21.526Z","dateUpdated":"2026-04-24T07:24:38.061Z"},"containers":{"cna":{"providerMetadata":{"orgId":"e0f77b61-78fd-4786-b3fb-1ee347a748ad","shortName":"Mitsubishi","dateUpdated":"2026-04-24T07:24:38.061Z"},"title":"Denial-of-Service (DoS) vulnerability in Ethernet function of MELSEC iQ-F Series EtherNet/IP module and Ethernet module","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-670","description":"CWE-670 Always-Incorrect Control Flow Implementation","type":"CWE"}]}],"impacts":[{"descriptions":[{"lang":"en","value":"Denial-of-Service"}]}],"affected":[{"vendor":"Mitsubishi Electric Corporation","product":"MELSEC iQ-F Series FX5-ENET/IP Ethernet Module FX5-ENET/IP","versions":[{"status":"affected","version":"versions 1.106 and prior"}],"defaultStatus":"unaffected"},{"vendor":"Mitsubishi Electric Corporation","product":"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":"Always-Incorrect Control Flow Implementation vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series FX5-ENET/IP Ethernet Module FX5-ENET/IP versions 1.106 and prior and Mitsubishi Electric Corporation 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 on the products by continuously sending UDP packets to the products. A system reset of the product is required for recovery.","supportingMedia":[{"type":"text/html","base64":false,"value":"Always-Incorrect Control Flow Implementation vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series FX5-ENET/IP Ethernet Module FX5-ENET/IP versions 1.106 and prior and Mitsubishi Electric Corporation 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 on the products by continuously sending UDP packets to the products. A system reset of the product is required for recovery."}]}],"references":[{"url":"https://www.mitsubishielectric.com/psirt/vulnerability/pdf/2025-021_en.pdf","tags":["vendor-advisory"]},{"url":"https://jvn.jp/vu/JVNVU93286687/","tags":["government-resource"]},{"url":"https://www.cisa.gov/news-events/ics-advisories/icsa-26-62-01","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"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-03-03T14:35:32.565171Z","id":"CVE-2026-1874","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-03-03T14:35:41.328Z"}}]}}