๐Ÿ” CVE Alert

CVE-2026-3439

MEDIUM 4.9
CVSS Score
4.9
EPSS Score
0.0%
EPSS Percentile
0th

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

CWE CWE-121
Vendor sonicwall
Product sonicos
Published Mar 4, 2026
Last Updated Mar 4, 2026
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Affected Versions

SonicWall / SonicOS
7.0.1-5169 and older versions 7.3.1-7013 and older versions 8.1.0-8017 and older versions

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
psirt.global.sonicwall.com: https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0001