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.
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History
Tue, 29 Sep 2026 13:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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. | |
| Weaknesses | CWE-306 | |
| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: Hitachi Energy
Published:
Updated: 2026-09-29T15:54:11.550Z
Reserved: 2026-05-07T05:51:56.353Z
Link: CVE-2026-8065
No data.
Status : Received
Published: 2026-09-29T10:17:13.110
Modified: 2026-09-29T13:17:53.130
Link: CVE-2026-8065
No data.
OpenCVE Enrichment
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Weaknesses