CVE-2026-8067CWE-862broken-access-control

CVE-2026-8067

Medium · published September 29, 2026

CVSS v3.1
6.5
EPSS
0%
Percentile
24.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00324 · 24.3th percentile
Weakness
CWE-862 · Missing Authorization
Published
2026-09-29T14:17Z
References (1)
https://publisher.hitachienergy.com/preview?DocumentID=8DBD000251&LanguageCode=en&DocumentPartId=&Action=Launch · [email protected]
EPSS history
Timeline
  • 30 SEP 03:29Z
    EPSS moved — → 0%
    epss
  • 29 SEP 09:33Z
    An improper authorization vulnerability in the RTU500’s web application allows an authenticated user to trigger the RTU500 to reboot through the reset endpoint
    cvelistv5