CVE-2026-8067
CVSS Score
6.5
EPSS Score
0.0%
EPSS Percentile
0th
An improper authorization vulnerability in the 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.
| CWE | CWE-862 |
| Vendor | hitachi energy |
| Product | rtu500 series cmu firmware |
| Published | Sep 29, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
Hitachi Energy / RTU500 series CMU firmware
9.0 < 12.0