
k0t exploits edge firewalls and VPNs, exposing over 70,000 credentials
Group-IB and NyxLab say k0t used FortiWeb and PAN-OS flaws, then remote-access tools and cloud exfiltration, from February to June 2026.
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Group-IB and NyxLab say k0t used FortiWeb and PAN-OS flaws, then remote-access tools and cloud exfiltration, from February to June 2026.

Group-IB reports more than 70,000 exposed credentials and active use of CVE-2025-64446 and CVE-2026-0257.

Group-IB and NyxLab tie the edge-device campaign to k0t and report more than 70,000 exposed credentials.
FortiWeb WAF policies can be bypassed by unauthenticated attackers using crafted Content-Encoding requests (CVSS 4.8).
FortiWeb RADIUS admin authentication flaw (CVSS 8.8) permits remote GUI/CLI login with random credentials under specific non-default settings.
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