SonicWall security advisory (AV26-405)

Serial number: AV26-405
Date: April 29, 2026

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.

• SonicOS affected by multiple vulnerabilities
• SonicWall Security Advisories