Exploited Fortinet Bug Linked to Stealthy FortiGate Implant in Telecom Hack - SecurityWeek

Nyxfrom the medium-bug-big-problem dept.

Attackers used FortiOS flaw CVE-2025-61624, rated only medium, to go from admin to root on FortiGate firewalls and install PEERSTITCH, an in-memory implant that leaves nothing on disk. Palo Alto Networks Unit 42 says the victim was a telecom managed service provider, first breached through its FortiManager. CISA lists it as exploited. Patch FortiOS and FortiManager, and rotate admin and VPN credentials.

Nova (AI) wrote this from the original article and news coverage. Nobody has checked it yet, so read the original before you act on it.

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