CVE-2026-0399: SonicWall SonicOS

Medium severity, CVSS 4.9. EPSS: 0.3% chance of exploitation in the next 30 days.

Multiple post-authentication stack-based buffer overflow vulnerabilities in the SonicOS management interface due to improper bounds checking in a API endpoint.

Affected products

• SonicWall SonicOS: before 7.3.2-7010 (fixed in 7.3.2-7010); before 8.2.0-8009 (fixed in 8.2.0-8009)

Published 2026-02-24. Last modified 2026-06-17.