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CVE-2026-0401

MediumCVSS 4.9/10Last modified Nov 9, 2026

Description

A post-authentication NULL Pointer Dereference vulnerability in SonicOS allows a remote attacker to crash a firewall.

Metrics

CVSS 3.1 4.9/10CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

Affected software

Vendor	Product	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

https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0001Vendor Advisory

Timeline

Published: Feb 24, 2026
Last modified: Nov 9, 2026
NVD status: Analyzed

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CVE-2026-0401: Medium severity, CVSS 4.9 | Vulnix