Reference page — cumulative record through Monday, October 5, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
AV AC PR UI S C I A CVSS EPSS %ile KEV N L N N U H H H 9.8 .1838 97.2 YES
AFFECTED Product Versions Fixed SonicOS 5.9.2.14-12o and older versions – —
TIMELINE Jul 10 Reserved by sonicwall Aug 23 Published (CNA: sonicwall) Sep 9 Added to CISA KEV, remediation due 2024-09-30 Sep 21 RESCORED — CVE-2024-40766 (SonicWall SonicOS). CVSS 9.3 → 9.8 (NVD).
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.
| Date | Event | Detail |
|---|---|---|
| July 10, 2024 | Reserved | Reserved by sonicwall |
| August 23, 2024 | Published | Published (CNA: sonicwall) |
| September 9, 2024 | KEV ADDED | Added to CISA KEV, remediation due 2024-09-30 |
| September 21, 2026 | RESCORED | RESCORED — CVE-2024-40766 (SonicWall SonicOS). CVSS 9.3 → 9.8 (NVD). |
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|---|---|---|---|
| SonicWall | SonicOS | — | 5.9.2.14-12o and older versions | — |
Authoritative record: CVE-2024-40766 at cve.org
Vendors: sonicwall
Weaknesses: CWE-284
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2024-40766 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Monday, October 5, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.
