CVE-2026-0399
4.9 · MEDIUMOverview
CVE-2026-0399 is a medium-severity vulnerability affecting sonicwall sonicos. It was published on February 24, 2026 and has a CVSS 3.1 base score of 4.9 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 4.9, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
Multiple post-authentication stack-based buffer overflow vulnerabilities in the SonicOS management interface due to improper bounds checking in a API endpoint.
Remediation
Check the references section for vendor advisories and patches from sonicwall. Update sonicos to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| sonicwall | sonicos | >= 0, < 7.3.2-7010 | Affected |
Frequently Asked Questions
What is CVE-2026-0399?
CVE-2026-0399 is a medium-severity vulnerability affecting sonicwall sonicos. It was published on February 24, 2026 and has a CVSS 3.1 base score of 4.9 (MEDIUM).
How severe is CVE-2026-0399?
This vulnerability has a CVSS 3.1 base score of 4.9, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2026-0399?
Check the references section for vendor advisories and patches from sonicwall. Update sonicos to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2026-0399?
CyberStrike's AI-powered security agents can automatically detect CVE-2026-0399 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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