Cisco ASA / Firepower Threat Defense vulnerabilities
28 advisories, 11 actively exploited. Last update: October 29, 2026.
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- Cisco Secure Firewall ASA Software and Cisco Secure FTD Software Unchecked Return Value to NULL Pointer Dereference Vulnerability
- Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Remote Access SSL VPN Tunnel Denial of Service Vulnerability
- Multiple Cisco Products Snort 3 Security Hardening Release: October 2026
- Multiple Cisco Products Snort 3 SMTP MIME Denial of Service Vulnerability
- Multiple Cisco Products Snort 3 Denial of Service Vulnerabilities
- Multiple Cisco Products Snort 3 Generic Routing Encapsulation Denial of Service Vulnerability
- Multiple Cisco Products Snort 3 Visual Basic for Applications Buffer Overflow Denial of Service Vulnerability
- Multiple Cisco Products Snort 3 Denial of Service Vulnerability
- Cisco Advance Notification for Publication of October 21, 2026, Security Advisories
- Cisco: Open Source Snort 3 Control Channel Socket Arbitrary Command Execution Vulnerability
- Cisco Secure Client Secure Firewall Posture Module Privilege Escalation Vulnerability
- Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software SSL VPN Denial of Service Vulnerability
- Cisco Secure Firewall Adaptive Security Appliance, Secure Firewall Threat Defense, and Secure Firewall Management Center Software Hardening Release: September 2026
- Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Logging Denial of Service Vulnerability
- Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software for Secure Firewall 3100 and 4200 Series DTLS Denial of Service Vulnerability
- Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software IKEv2 Certificate Authentication Denial of Service Vulnerability
- Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software EIGRP Denial of Service Vulnerability
- Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software TCP DNS Denial of Service Vulnerability
- Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Object Group Access Control List Bypass Vulnerabilities
- Cisco Secure Firewall Adaptive Security Appliance (ASA) and Secure Firewall Threat Defense (FTD) Heap Inspection Vulnerability
- Cisco Secure Firewall Management Center Use of Hard-coded Password Vulnerability
- Cisco Secure Firewall Adaptive Security Appliance (ASA) and Secure Firewall Threat Defense (FTD) Buffer Overflow Vulnerability
- Cisco Secure Firewall Adaptive Security (ASA) Appliance and Secure Firewall Threat Defense (FTD) Missing Authorization Vulnerability
- Cisco Adaptive Security Appliance (ASA) Cross-Site Scripting (XSS) Vulnerability
- Cisco ASA and FTD Denial-of-Service Vulnerability
- Cisco ASA and FTD Denial of Service Vulnerability
- Cisco ASA and FTD Privilege Escalation Vulnerability
- Cisco ASA and FTD Information Disclosure Vulnerability