Hackers Attacking SonicWall Firewalls from 4,000+ unique IP Addresses to Exploit Vulnerabilities

A large-scale reconnaissance campaign is actively targeting SonicWall firewalls across the internet, with attackers using more than 4,000 unique IP addresses to map vulnerable devices before launching exploitation attempts. Between February 22 and February 25, 2026, threat actors generated 84,142 scanning sessions against SonicWall SonicOS infrastructure, originating from 4,305 distinct IP addresses across 20 autonomous […]

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