SonicWall SonicOS Improper Access Control Vulnerability (CVE-2024-40766)
Severity: critical · Patch status: unknown · Since 2024-09-09 · CVE-2024-40766
SonicWall SonicOS contains an improper access control vulnerability that could lead to unauthorized resource access and, under certain conditions, may cause the firewall to crash. CISA added CVE-2024-40766 to its Known Exploited Vulnerabilities catalog on Sep 9, 2024, which means attackers are exploiting it in the wild. CISA reports known use in ransomware campaigns.
What to do
- Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- US federal agencies must remediate by Sep 30, 2024 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch