Cisco Secure Firewall Threat Defense Software Snort 3 Denial of Service Vulnerability (CVE-2025-20217)
– A vulnerability in the packet inspection functionality of the Snort 3 Detection Engine of Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.
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