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CVE-2026-8067

RTU500 series CMU firmware · Vulnerability

CVSS 3.1 6.5 MEDIUMCheck source for fixed versionsKEV status unknown

Original advisory

Historical advisory recorded 23 Oct 2026 15:48:27 UTC. Read the latest advisory.

cve-program · CVE-2026-8067

Published

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 unavailability and disruption of its intended operation.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-8067

Published

RTU500 series CMU firmware

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Hitachi Energy",
                    "product": "RTU500 series CMU firmware",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "9.0",
                            "lessThan": "12.0",
                            "versionType": "custom"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }

Original source record · Cite this exact observation · Complete original publisher JSON