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Medium severity4.9NVD Advisory· Published Feb 24, 2026· Updated Jun 17, 2026

CVE-2026-0400

CVE-2026-0400

Description

A post-authentication Format String vulnerability in SonicOS allows a remote attacker to crash a firewall.

Affected products

3
  • SonicWall/Sonicosllm-fuzzy3 versions
    (expand)+ 2 more
    • (no CPE)
    • cpe:2.3:o:sonicwall:sonicos:*:*:*:*:*:*:*:*range: <7.3.2-7010
    • (no CPE)range: 7.0.1-5169 and older versions

Patches

Vulnerability mechanics

References

1

News mentions

1