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SonicWall Issues Patch for Critical SonicOS Flaw Affecting Firewalls

First seen 2 Dec 2025, 18:33 UTC

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ThreatCluster AI
ThreatCluster March 12, 2026 at 13:27 UTC

SonicWall has released a patch addressing a critical flaw in SonicOS that allows hackers to crash firewalls. Additionally, two vulnerabilities in Email Security appliances (CVE-2025-40604 and CVE-2025-40605) have been fixed, preventing potential code execution and unauthorized data access. Customers are urged to apply the patch promptly to secure their systems.

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