CVE-2026-8067

MEDIUM CVSS 3.1: 6.5 EPSS 0.23%
Updated Sep 30, 2026
Hitachi Energy
Parameter Value
CVSS 6.5 (MEDIUM)
Type CWE-862 (Missing Authorization)
Vendor Hitachi Energy
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Vulnerable Products

hitachi energy:rtu500 series cmu firmware