A Stack-based buffer overflow vulnerability in the SonicOS via HTTP request allows a remote unauthenticated attacker to cause Denial of Service (DoS) or potentially results in code execution in the firewall.
https://bishopfox.com/blog/its-2024-and-over-178-000-sonicwall-firewalls-are-publicly-exploitable
https://www.tenable.com/cyber-exposure/tenable-2022-threat-landscape-report
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2022-0003