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Industrial control advisorySeverity 8.8 highExploit likelihood 94%
Hitachi Energy APM Edge Product
ICSA-26-225-04 · CISA · July 28, 2026
Summary
Hitachi Energy is aware of Dirty Frag vulnerabilities that affect APM Edge product versions listed in this document. Successful exploitation of these vulnerabilities could result in impact on confidentiality, integrity and availability of the product. Please refer to the Recommended Immediate Actions for information about the mitigation/remediation.
From CISA, quoted as published. Check the source before acting.
What to do
Disable the esp4 and esp6 modules [2]
Disable the rxrpc module [2]
Vendor fix or mitigation, quoted from the advisory.
Each CVE in this advisory
| CVE | Severity | Known exploited | Exploit likelihood |
|---|---|---|---|
| CVE-2026-43284 | 8.8 high | No | 94.2% |
| CVE-2026-43500 | 7.8 high | No | 94.1% |
Severity from the advisory (CVSS), known exploitation from CISA's catalog, exploit likelihood from EPSS (next 30 days).
Affected products
| Vendor | Product |
|---|---|
| Hitachi Energy | APM Edge |
Why it's on these mode pages
- Maritime: Vendor table: Hitachi Energy (industrial control makers used in every mode, all modes) (matched by rule)
- Pipeline: Vendor table: Hitachi Energy (industrial control makers used in every mode, all modes) (matched by rule)
- Freight rail: Vendor table: Hitachi Energy (industrial control makers used in every mode, all modes) (matched by rule)
- Passenger rail and transit: Vendor table: Hitachi Energy (industrial control makers used in every mode, all modes) (matched by rule)
- Highway and motor carrier: Vendor table: Hitachi Energy (industrial control makers used in every mode, all modes) (matched by rule)
- Postal and parcel: Vendor table: Hitachi Energy (industrial control makers used in every mode, all modes) (matched by rule)
Change history
- July 28, 2026: Initial public release
- August 13, 2026: Initial CISA Republication of Hitachi Energy PSIRT 8DBD000256 advisory
- November 9, 2026: First collected by Watch
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