CVE-2024-40766

CVE-2024-40766

Vendor Sonicwall
Product SonicOS
Weakness CWE-284
KEV Status Known Exploited
Ransomware Used in campaigns
Published August 23, 2024
Last update October 21, 2025

CVSS base score

What the vulnerability does

01Description

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.

CISA mandated remediation

02CISA Required Action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Key dates

03Disclosure timeline

August 23, 2024 CVE published
October 21, 2025 Record updated