CVE-2026-8065
9.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Summary
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 Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Hitachi Energy | RTU500 series CMU firmware | 9.0 < 12.0 | affected |
Weaknesses
- CWE-306: CWE-306 Missing authentication for critical function
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: yes
- Technical Impact: partial
References
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