SonicWall tells customers to patch SonicOS flaw allowing hackers to crash firewalls

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SonicWall Issues Patch for SonicOS Flaw Affecting Firewalls SonicWall has released a patch addressing a vulnerability in SonicOS that allows hackers to crash firewalls. Additionally, two flaws in Email Security appliances (CVE-2025-40604 and CVE-2025-40605) have been fixed, preventing potential code execution and data access. Customers are urged to apply the patch promptly to secure their systems. 2 sources 25