All vulnerabilities
CVE-2024-40766

SonicWall SonicOS Improper Access Control Vulnerability

SonicWall SonicOSNetwork & edge
CVSS
9.3Critical
ExploitationExploited in the wildAdded to KEV 9 Sep 2024. Known ransomware useCISA KEV
Exploit odds (EPSS)18.4%Chance of exploitation activity in the next 30 days, higher than 97% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Federal deadline30 Sep 2024Remediation due date for US federal agenciesCISA KEV
CISA required actionApply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. CISA KEV

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

Timeline

  1. 23 Aug 2024, 06:19 UTCPublishedCVE List
  2. 9 Sep 2024Added to CISA KEVCISA KEV
  3. 20 Oct 2026, 12:00 UTCFirst reported exploitedCISA advisories

Vendor and government advisories 1

Vendors that say their products are affected, and agencies that issued alerts. Check each for the fixed release of the product you run.

Reports 1

One outlet reports exploitation. Reports are not confirmation; each links to its source.

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.

Text from CVE List

Affected versions 3

  • SonicOSaffected: 5.9.2.14-12o and older versionsCVE List
  • SonicOSaffected: 6.5.4.14-109n and older versionsCVE List
  • SonicOSaffected: 7.0.1-5035 and older versionsCVE List

References 4