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Medium severity4.9NVD Advisory· Published Mar 4, 2026· Updated Jun 17, 2026

CVE-2026-3439

CVE-2026-3439

Description

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

Affected products

3

SonicWall/Sonicos3 versions
cpe:2.3:o:sonicwall:sonicos:*:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:o:sonicwall:sonicos:*:*:*:*:*:*:*:*range: <7.3.2-7010
- (no CPE)
- (no CPE)range: 7.0.1-5169 and older versions

Patches

Vulnerability mechanics

References

1

psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0001nvdVendor Advisory

News mentions

0

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