SonicWall SonicOS
YES - ON THE CISA KEV LIST
CVE-2024-40766
SonicWall SonicOS Improper Access Control Vulnerability
overdue since 2024-09-30
SonicWall: 20 entries (1.1% of all KEV entries are from this vendor); 5 added in 2026.
BOD 26-04 note: this is the date printed in the CISA catalog. A federal agency's actual deadline is set by its SSVC tier - Act (3 days), Attend (14 days), Track (60 days), or the next scheduled upgrade - counted from the KEV listing date or the date the vulnerability is identified in its environment, whichever comes first. Use the tier helper on each CVE page for your own window.
Your BOD 26-04 window (SSVC tier helper)
Your remediation window ends:
Description
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.
Required action (CISA)
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Notes
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2024-0015; https://www.sonicwall.com/support/notices/gen-7-and-newer-sonicwall-firewalls-sslvpn-recent-threat-activity/kA1VN0000000RDG0A2 ; https://nvd.nist.gov/vuln/detail/CVE-2024-40766
References
Other KEV entries for this vendor: SonicWall
- CVE-2026-19868 - SonicOS SSLVPN (2026-11-06)
- CVE-2026-83548 - SMA1000 Appliances (2026-09-02)
- CVE-2026-83549 - SMA1000 Appliances (2026-09-02)
- CVE-2026-15409 - SMA1000 Appliances (2026-07-14)
- CVE-2026-15410 - SMA1000 Appliances (2026-07-14)
- CVE-2025-40602 - SMA1000 appliance (2025-12-17)
- CVE-2023-44221 - SMA100 Appliances (2025-05-01)
- CVE-2021-20035 - SMA100 Appliances (2025-04-16)
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