CVE-2026-0402
Received Received - Intake

Out-of-Bounds Read in SonicOS Causes Firewall Crash

Publication date: 2026-02-24

Last updated on: 2026-02-26

Assigner: SonicWALL, Inc.

Description
A post-authentication Out-of-bounds Read 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-2026-0402
EUVD
EUVD-2026-8529

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-125 The product reads data past the end, or before the beginning, of the intended buffer.

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Executive Summary

This vulnerability is a post-authentication Out-of-bounds Read in SonicOS. It allows a remote attacker who has authenticated access to read memory outside the intended bounds, which can cause the firewall to crash.

Detection Guidance

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Mitigation Strategies

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Impact Analysis

The impact of this vulnerability is that a remote attacker can cause the SonicOS firewall to crash, potentially leading to denial of service and disruption of network security.

Compliance Impact

I don't know

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