CVE-2026-0402 - Vulnerability Details - OpenCVE

A post-authentication Out-of-bounds Read vulnerability in SonicOS allows a remote attacker to crash a firewall.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required High

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact partial

No data.

No data.

No data.

No data.

References

Link	Providers
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0001

History

Tue, 24 Feb 2026 16:15:00 +0000

Type	Values Removed	Values Added
Metrics		cvssV3_1 `{'score': 4.9, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H'}` ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Tue, 24 Feb 2026 15:15:00 +0000

Type	Values Removed	Values Added
Description		A post-authentication Out-of-bounds Read vulnerability in SonicOS allows a remote attacker to crash a firewall.
Weaknesses		CWE-125
References		https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0001

MITRE

Status: PUBLISHED

Assigner: sonicwall

Published: 2026-02-24T14:58:37.608Z

Updated: 2026-02-24T15:33:50.674Z

Reserved: 2025-12-02T06:28:47.831Z

Link: CVE-2026-0402

Vulnrichment

Updated: 2026-02-24T15:33:37.729Z

NVD

Status : Received

Published: 2026-02-24T15:21:37.410

Modified: 2026-02-24T16:24:07.810

Link: CVE-2026-0402

Redhat

No data.

OpenCVE Enrichment

No data.

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