Arctic Wolf, a prominent cybersecurity firm, recently detected a widespread exploitation campaign targeting Fortinet FortiGate firewall devices. This campaign, tied to a critical vulnerability known as CVE-2024-55591,

Fortinet confirmed exploitation of a critical-severity vulnerability affecting FortiGate firewalls after Arctic Wolf researchers said that ‘mass exploitation’ of the vulnerability is ‘likely.’

Fortinet has disclosed a new critical zero-day vulnerability affecting some of its FortiGate firewalls. In a security advisory published on January 14, FortiGuard Labs revealed a new authentication bypass vulnerability affecting FortiOS and FortiProxy that could be exploited to hack FortiGate devices.

Security researchers say "tens" of Fortinet devices have been compromised so far as part of the weeks-long hacking campaign.

Ransomware 'not off the table,' Arctic Wolf threat hunter tells El Reg Updated Miscreants running a "mass exploitation campaign" against Fortinet firewalls, which peaked in December, may be using an unpatched zero-day vulnerability to compromise the equipment,