Actively exploited in the wild
SonicWall SonicOS Improper Access Control Vulnerability
SonicWall - SonicOS · Listed in the CISA KEV since 2024-09-09. This indicates confirmed attacks in production environments.
Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
CVE-2024-40766
CriticalCVSS 9.8KEVSummary
An improper access control vulnerability has been identified in the SonicWall SonicOS management access, potentially leading to unauthorized resource access and in specific conditions, causing the firewall to crash. This issue affects SonicWall Firewall Gen 5 and Gen 6 devices, as well as Gen 7 devices running SonicOS 7.0.1-5035 and older versions.
Risk Assessment
Unauthorized resource access and potential firewall crash could lead to network disruptions and security breaches.
Recommendation
Update SonicOS to the latest version and restrict management interface access from untrusted networks.
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Original NVD description (English source)
An improper access control vulnerability has been identified in the SonicWall SonicOS management access, potentially leading to unauthorized resource access and in specific conditions, causing the firewall to crash. This issue affects SonicWall Firewall Gen 5 and Gen 6 devices, as well as Gen 7 devices running SonicOS 7.0.1-5035 and older versions.

