CVE-2026-0401
Received Received - Intake

NULL Pointer Dereference in SonicOS Causes Firewall Crash

Publication date: 2026-02-24

Last updated on: 2026-02-26

Assigner: SonicWALL, Inc.

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

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Meta Information

Published
2026-02-24
Last Modified
2026-02-26
Generated
2026-07-06
AI Q&A
2026-02-24
EPSS Evaluated
2026-07-05
NVD
CVE-2026-0401
EUVD
EUVD-2026-8523

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
sonicwall sonicos to 7.3.2-7010 (exc)
sonicwall sonicos to 8.2.0-8009 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-476 The product dereferences a pointer that it expects to be valid but is NULL.

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Executive Summary

This vulnerability is a post-authentication NULL Pointer Dereference in SonicOS. It allows a remote attacker to cause a crash of the firewall.

Impact Analysis

The vulnerability can impact you by allowing a remote attacker to crash your firewall, potentially causing a denial of service and disrupting network security and connectivity.

Compliance Impact

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Detection Guidance

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