CVE-2023-0656

7.5

CVSS
High

PUBLISHED

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

Exploited in the wild Remote Low complexity No user interaction

Vendor: SonicWall
Product: SonicOS
Published: Mar 02, 2023
EPSS: —

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.

edge

CVSS scores

CVSS v3.1 7.5 High

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

Exploitation status

Exploited in the wild

Recorded 2025-04-22 00:00:00 UTC · Source

SSVC decision points

Exploitation: none
Automatable: Yes
Technical impact: partial

References

https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2023-0004

Known exploited vulnerability sources

Catalogues that list this CVE as a known exploited vulnerability.

Source	Added
The Shadowserver (via CIRCL)	Apr 28, 2025

Vulnerability detail