CVE-2026-8066
A directory traversal vulnerability in the file upload functionality of Hitachi Energy RTU500 end-of-life versions allows an unauthenticated
- Published
- Last modified
- Status
- published
- Known exploitation
- Not listed in CISA KEV
- Fix
- Fixed in 12.0
- Public exploit
- None on Exploit-DB
CISA SSVC
- Exploitation: none
- Automatable: yes
- Technical impact: partial
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Decision points from CISA's Vulnrichment, assessed (SSVC 2.0.3).
SSVC documentationSummary
A directory traversal vulnerability in the file upload functionality of Hitachi Energy RTU500 end-of-life versions allows an unauthenticated attacker to write or overwrite arbitrary files on the device file system. Depending on the files affected, successful exploitation could result in unauthorized modification of device data or disruption of the device’s intended operation.
Affected versions
- Hitachi Energy RTU500 series CMU firmware
From 9.0 · fixed in 12.0