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CVE record · 1 source

CVE-2026-20250

Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software for Secure Firewall 3100 and 4200 Series DTLS Denial of Service Vulnerability

Vendor: Cisco
Product: ASA, Firepower / FTD
Exposure class: Edge / VPN / firewall

Coverage

2

Every item in the archive that references this CVE, highest rank first. Headlines open the publisher.

31

Cisco advisory Cisco PSIRT 18 Sep 2026

Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software for Secure Firewall 3100 and 4200 Series DTLS Denial of Service Vulnerability

A vulnerability in Datagram TLS (DTLS) message handling of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software for Cisco Secure Firewall 3100 Series and 4200…

Fix available CVE-2026-20250 Cisco
26

Cisco advisory Cisco PSIRT 16 Sep 2026

Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software for Secure Firewall 3100 and 4200 Series DTLS Denial of Service Vulnerability

A vulnerability in Datagram TLS (DTLS) message handling of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software for Cisco Secure Firewall 3100 Series and 4200…

CVE-2026-20250 Cisco