CVE-2026-3439

CVE-2026-3439

Vendor Sonicwall
Product SonicOS
Weakness CWE-121
Published March 4, 2026
Last update March 4, 2026
View on NVD All CVEs

CVSS base score

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What the vulnerability does

01Description

A post-authentication Stack-based Buffer Overflow vulnerability in SonicOS certificate handling allows a remote attacker to crash a firewall.

Key dates

02Disclosure timeline

March 4, 2026 CVE published
March 4, 2026 Record updated