{"id":"CVE-2026-8067","title":"An improper authorization vulnerability in the end-of-life versions of RTU500’s web application allows an authenticated user to trigger the RTU500 to reboot through the reset endpoint","summary":"An improper authorization vulnerability in the end-of-life versions of RTU500’s web application allows an authenticated user to trigger the RTU500 to reboot through the reset endpoint. Successful exploitation could cause temporary device…","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-862"],"vendor":"Hitachi Energy","product":"RTU500 series CMU firmware","affected":["rtu500_series_cmu_firmware >= 9.0 < 12.0"],"published":"2026-09-29","updated":"2026-09-29","sourceUpdated":"2026-09-29T21:39:02.570","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-8067","references":[{"url":"https://publisher.hitachienergy.com/preview?DocumentID=8DBD000251&LanguageCode=en&DocumentPartId=&Action=Launch","label":"cybersecurity@hitachienergy.com"}],"tags":["nvd","cve.org"],"epss":0.00228,"epssPercentile":0.13562,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-29T15:04:54.700468Z"},"ingestedAt":"2026-09-29T10:31:36.315Z","slug":"CVE-2026-8067","body":"## Overview\n\nAn improper authorization vulnerability in the end-of-life versions of RTU500’s web application allows an authenticated user to trigger the RTU500 to reboot through the reset endpoint. Successful exploitation could cause temporary device unavailability and disruption of its intended operation.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}