CISA description
A buffer overflow vulnerability in SonicOS allows a remote attacker to cause Denial of Service (DoS) and potentially execute arbitrary code by sending a malicious request to the firewall.
CVE-2020-5135
SonicWall · SonicOS
SonicWall SonicOS Buffer Overflow Vulnerability
Required action
Apply updates per vendor instructions.
Notes & references
Where this lands in 800-53
Vulnerability data triggers these controls during assessment and continuous monitoring.