{"cve":{"cve_id":"CVE-2026-8805","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.00379,"epss_percentile":0.29582,"epss_as_of":"2026-06-23","description":"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.","published_at":"2026-06-19T02:26:57.176000Z","last_modified_at":null,"cvss_v3_score":null,"cvss_v3_vector":null,"cvss_v3_severity":null,"cvss_v4_score":8.7,"cvss_v4_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","cvss_v4_severity":"HIGH","ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":["CWE-190"],"nvd_references":["https://www.mitsubishielectric.com/psirt/vulnerability/pdf/2026-002_en.pdf","https://jvn.jp/vu/JVNVU97140216/","https://www.cisa.gov/news-events/ics-advisories/icsa-26-169-05"],"vuln_status":null,"trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:39.878444Z","updated_at":"2026-06-28T23:31:10.822903Z"},"effective_severity":"HIGH","badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":null,"metrics":[]},"cvss_v4_decoded":{"version":"4.0","metrics":[{"metric":"AV","name":"Attack Vector","value":"N","value_label":"Network"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"AT","name":"Attack Requirements","value":"N","value_label":"None"},{"metric":"PR","name":"Privileges Required","value":"N","value_label":"None"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"VC","name":"Confidentiality (Vulnerable System)","value":"N","value_label":"None"},{"metric":"VI","name":"Integrity (Vulnerable System)","value":"N","value_label":"None"},{"metric":"VA","name":"Availability (Vulnerable System)","value":"H","value_label":"High"},{"metric":"SC","name":"Confidentiality (Subsequent System)","value":"N","value_label":"None"},{"metric":"SI","name":"Integrity (Subsequent System)","value":"N","value_label":"None"},{"metric":"SA","name":"Availability (Subsequent System)","value":"N","value_label":"None"}]},"affected":[{"vendor_slug":"mitsubishi-electric-corporation","vendor_name":"Mitsubishi Electric Corporation","product_slug":"mitsubishi-electric-melsec-iq-f-series-fx5-eip-ethernet-ip-module-fx5-eip","product_name":"Mitsubishi Electric MELSEC iQ-F Series FX5-EIP EtherNet/IP Module FX5-EIP","version_start":"versions 1.000 and prior","version_start_inclusive":true,"version_end":"versions 1.000 and prior","version_end_inclusive":true,"cpe23_uri":"cve5:mitsubishi-electric-corporation:mitsubishi-electric-melsec-iq-f-series-fx5-eip-ethernet-ip-module-fx5-eip:versions 1.000 and prior:versions 1.000 and prior"}],"exploit_refs":[],"news":[],"references":[{"url":"https://www.mitsubishielectric.com/psirt/vulnerability/pdf/2026-002_en.pdf","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://jvn.jp/vu/JVNVU97140216/","source_type":"MISC","tags":[]},{"url":"https://www.cisa.gov/news-events/ics-advisories/icsa-26-169-05","source_type":"VENDOR_ADVISORY","tags":["advisory"]}],"timeline":[{"type":"published","at":"2026-06-19T02:26:57.176000Z","label":"CVE published","source":null},{"type":"cvss_changed","at":"2026-06-28T17:56:22.639448Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:56:22.639448Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:56:22.639448Z","label":"CVSS score revised","source":"cvelistv5"}]}