CVE-2023-0656

HighCVSS 7.5/10Last modified Nov 9, 2026

Description

A Stack-based buffer overflow vulnerability in the SonicOS allows a remote unauthenticated attacker to cause Denial of Service (DoS), which could cause an impacted firewall to crash.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-121CWE-787

Affected software

VendorProductVersions
SonicWallSonicOSSonicOS NSv 6.5.4.4-44v-21-1551 and earlier; SonicOS NSsp 7.0.1-5083 and earlier; SonicOS 7.0.1-5095 and earlier

References

Timeline

Published
Mar 2, 2023
Last modified
Nov 9, 2026
NVD status
Modified

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CVE-2023-0656: High severity, CVSS 7.5 | Vulnix