{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-1876","assignerOrgId":"e0f77b61-78fd-4786-b3fb-1ee347a748ad","state":"PUBLISHED","assignerShortName":"Mitsubishi","dateReserved":"2026-02-04T04:09:52.102Z","datePublished":"2026-03-03T07:03:13.328Z","dateUpdated":"2026-03-04T08:25:07.248Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"MELSEC iQ-F Series FX5-ENET/IP Ethernet Module FX5-ENET/IP","vendor":"Mitsubishi Electric Corporation","versions":[{"status":"affected","version":"All versions"}]}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"Improper Resource Shutdown or Release vulnerability in Mitsubishi Electric Corporation 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 on the products by continuously sending UDP packets to the products. A system reset of the product is required for recovery."}],"value":"Improper Resource Shutdown or Release vulnerability in Mitsubishi Electric Corporation 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 on the products by continuously sending UDP packets to the products. A system reset of the product is required for recovery."}],"impacts":[{"descriptions":[{"lang":"en","value":"Denial-of-Service"}]}],"metrics":[{"cvssV4_0":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.7,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","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","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-404","description":"CWE-404 Improper Resource Shutdown or Release","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"e0f77b61-78fd-4786-b3fb-1ee347a748ad","shortName":"Mitsubishi","dateUpdated":"2026-03-04T08:25:07.248Z"},"references":[{"tags":["vendor-advisory"],"url":"https://www.mitsubishielectric.com/psirt/vulnerability/pdf/2025-021_en.pdf"},{"tags":["government-resource"],"url":"https://jvn.jp/vu/JVNVU93286687/"},{"tags":["government-resource"],"url":"https://www.cisa.gov/news-events/ics-advisories/icsa-26-62-01"}],"source":{"discovery":"UNKNOWN"},"title":"Denial-of-Service (DoS) vulnerability in Ethernet function of MELSEC iQ-F Series Ethernet module","x_generator":{"engine":"Vulnogram 0.5.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-03-03T14:51:54.499972Z","id":"CVE-2026-1876","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":"2026-03-03T14:52:58.968Z"}}]}}