Hackers Exploiting Vulnerabilities in SonicWall, Zoho, F5 & Ivanti Systems Hackers Exploiting Vulnerabilities in SonicWall, Zoho, F5 & Ivanti SystemsA surge in cyber activity targeting critical edge technologies and management tools, including SonicWall, Zoho, F5, Ivanti, and other systems.gbhackers.com SonicWall Firewall Vulnerability Enables Unauthorized Access SonicWall Firewall Vulnerability..