Hitachi security advisory (AV26-975)
Canada's Cyber Centre warns that Hitachi Energy RTU500 CMU firmware has vulnerabilities needing updates.
The Canadian Centre for Cyber Security issued advisory AV26-975 stating that Hitachi Energy RTU500 series CMU firmware is affected by vulnerabilities. The notice covers firmware prior to 12.7.8 and 13.9.1 or later, including end-of-life versions. No CVE identifiers or exploitation details are included. The Cyber Centre urges administrators to review Hitachi's vulnerability information and apply updates as they become available.
- Canadian Cyber Centre published advisory AV26-975 on September 29, 2026.
- Hitachi Energy RTU500 series CMU firmware is affected.
- Fixed lines cited are 12.7.8 and 13.9.1 or later, including end-of-life versions.
- Operators are urged to review Hitachi's links and apply available updates.
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Serial number: AV26-975
Date: September 29, 2026
As of September 29, 2026, Hitachi Energy is affected by vulnerabilities in the following product:
- RTU500 series CMU firmware
- Prior to 12.7.8, 13.9.1 or later
The Cyber Centre encourages users and administrators to review the provided web links and apply any necessary updates as they become available.
Text extracted automatically; images, tables and formatting may be missing. Original: https://cyber.gc.ca/en/alerts-advisories/hitachi-security-advisory-av26-975