SonicWall security advisory (AV26-405)

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        <div><p><strong>Serial number: </strong>AV26-405<br /><strong>Date: </strong>April&nbsp;29, 2026</p>

On April 29, 2026, SonicWall published a security advisory to address vulnerabilities in the following products:

  • Gen6 Hardware Firewalls – firmware version 6.5.5.1-6n and prior
  • Gen7 NSv – firmware version 7.0.1-5169 and prior, firmware version 7.3.1-7013 and prior
  • Gen7 Firewalls – firmware version 7.0.1-5169 and prior, firmware version 7.3.1-7013 and prior
  • Gen8 Firewalls – firmware version 8.1.0-8017 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: SonicWall security advisory (AV26-405) - Canadian Centre for Cyber Security