Dell issued the SonicWALL Email Security OS 8.3.2 release to address high severity issues that can be exploited to take control of the appliance. The flaws could be exploited by attackers to conduct a wide range of malicious activities, including command injection, arbitrary file deletion, denial-of-service (DoS) and information disclosure. Dell has patched the issued with the new SonicWall Email Security. OS 8.3.0.6149 release. The flaw allows attackers to delete arbitrary files with root privileges and trigger DoS conditions.”]
Source: https://securityaffairs.co/wordpress/52232/hacking/sonicwall-email-security.html