CVE-2026-8065

published 2026-09-29

CVE-2026-8065: An authentication bypass vulnerability in the firmware update endpoint of Hitachi Energy RTU500 end-of-life versions allows an unauthenticated attacker to…

Priority P2 71 critical 9.1 CVSS 3.1

AV N AC L PR N UI N S U C N I H A H

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

1 ranges

Vendor	Product	Version range	Fixed in
hitachi_energy	rtu500_series_cmu_firmware	>= 9.0 < 12.0	12.0

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