CVE-2026-8065: Hitachi Energy RTU500 series CMU firmware vulnerability
Hitachi Energy · RTU500 series CMU firmware
Vendor fix available · Affected: Hitachi Energy RTU500 series CMU firmware · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 43% of scored CVEs
DescriptionCVE.org
An authentication bypass vulnerability in the firmware update endpoint of Hitachi Energy RTU500 end-of-life versions allows an unauthenticated attacker to upload arbitrary firmware through a crafted POST request. Successful exploitation could allow the attacker to modify device functionality or compromise the integrity or availability of the device.
Affected products1
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- Hitachi Energy · RTU500 series CMU firmwarefrom 9.0 before 12.0
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- Hitachi Energy
- Published
- September 2026
CoverageNo articles yet
No CyberSIXT article names CVE-2026-8065 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.