CVE-2023-0656
A Stack-based buffer overflow vulnerability in the SonicOS allows a remote unauthenticated attacker to cause Denial of Service (DoS), which could cause an...
- Published
- Mar 2, 2023
- Updated
- Mar 7, 2025
- Assigning CNA
- sonicwall
- Evidence observed
- Aug 7, 2026
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HModerate · next 30 days
- Percentile
- 98.7%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
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.
Sources
1- CVE-2022-22274_CVE-2023-0656Exploit
Proof-of-concept exploit for SonicWall SonicOS stack-based buffer overflows (CVE-2022-22274, CVE-2023-0656) that tests and triggers crashes via crafted HTTP requests.
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