SonicWall recently warned customers that a critical vulnerability affects its SonicOS network security appliance operating system. The flaw is tracked as CVE-2024-40766 and can potentially lead to unauthorized resource access and cause the firewall to crash in specific conditions. According to the vendor, the vulnerability impacts SonicWall Gen 5, Gen 6, and Gen 7 firewalls. Updates that resolve the security hole are available for each impacted version. Regarding Gen7 products, SonicWall said the issue could not be reproduced on firmware versions higher than 7.0.1-5035, but users are still advised to install the latest version. The vendor did not mention if this flaw was being exploited in the wild. However, threat actors exploiting SonicWall product vulnerabilities are not uncommon, so it is essential that customers patch their SonicOS instances as soon as possible. If you would like to read more, then please click here.