[Control Systems] Moxa security advisory (AV26-370)

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        <div><p><strong>Serial number: </strong>AV26-370</p>

Date: April 20, 2026

On April 20, 2026, Moxa published a security advisory to address a vulnerability in the following products:

  • PT-508 Series – firmware version 3.8 and prior
  • PT-510 Series – firmware version 3.8 and prior
  • PT-7528 Series – firmware version 5.0 and prior
  • PT-7728 Series – firmware version 3.9 and prior
  • PT-7828 Series – firmware version 4.0 and prior
  • PT-G503 Series – firmware version 5.3 and prior
  • PT-G510 Series – firmware version 6.5 and prior

The Cyber Centre encourages users and administrators to review the provided web links and apply the necessary updates.

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Article Link: https://cyber.gc.ca/en/alerts-advisories/control-systems-moxa-security-advisory-av26-370