Dashboard / CVE-2023-0656

CVE-2023-0656

HIGH 1 PoC
HIGH Priority: 3.10 BB Relevance: 93/100
Published: 2023-03-02 Modified: 2026-11-09 First seen: 2026-11-09 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
S: Unchanged
C: None
I: None
A: High

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.

Weakness Classification (2)

Affected Software (1)

VendorProductVersion
sonicwall sonicos < 7.0.1-5111

References & Advisories (1)

Proof of Concept (1)

★ 18
https://github.com/BishopFox/CVE-2022-22274_CVE-2023-0656
nomi-sec

Bug Bounty Relevance

93 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction
✓ PoC available (1)

CVSS Score

7.5 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS — Exploitation Probability

41.32%
Raw Score 0.413190
Percentile 98.7%
Date 2026-11-13

EPSS Trend

2026-11-13
0.41319
2026-11-12
0.41319
2026-11-10
0.41319
2026-11-09
0.41319

Intelligence Sources

nvd ref →

External Links