CVE-2024-40766An 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 fi…
Updated under an hour ago ()
Does this affect you?
It affects SonicWall SonicOS. Add what you run to find out whether that includes you.
CISA lists it as known exploited since Sep 9, 2024; federal agencies had to remediate by Sep 30, 2024, and it is known to be used in ransomware. Treat that date as your deadline.
Do this next
Free account, 1 product
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.
- CVSS
- 9.3 CRITICAL (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:L
- Weakness (CWE)
- CWE-284
- Known exploited
- Added to CISA KEV Sep 9, 2024; federal remediation due Sep 30, 2024; known ransomware useApply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- EPSS (exploitation in the next 30 days)
- 18.38% (percentile 97)
- Assigned by
- sonicwall
- NVD analysis
- Analyzed
- Record last updated
- Sep 21, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
SonicWall SonicOS sonicwall:sonicos (from the name) | 5.9.2.14-12o and older versions; 6.5.4.14-109n and older versions; 7.0.1-5035 and older versions | CNA record |
sonicwall sonicos sonicwall:sonicos | before 5.9.2.14-13o; before 6.5.2.8-2n; before 6.5.4.15.116n; through 7.0.1-5035 | NVD |
References
- https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2024-0015vendor-advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-40766us-government-resource
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.