CS
Product
Cisco Secure Firewall Threat Defense (FTD) Software
On CISA KEVExploited in the wild
35
CVEs
3
On KEV
9.9
Max CVSS
12
New 30D
Severity mix
Critical 6High 17Medium 12Low 0
Watch
Add Cisco Secure Firewall Threat Defense (FTD) Software to your stack to get only the CVEs that touch what you run.
| CVE | CVSS | Published | Summary · affected versions |
|---|---|---|---|
| CVE-2025-20333 In wildKEV | 9.9 | Sep 25 | Cisco Secure Firewall Adaptive Security Appliance (ASA) and Secure Firewall Threat Defense (FTD) Buffer Overflow Vulnerability Affected: 6.2.3; 6.2.3.1; 6.2.3.2; 6.2.3.3; 6.2.3.4; 6.2.3.5; +34 more |
| CVE-2026-20349 In wildKEV | 8.6 | Aug 11 | Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Remote Access SSL VPN Denial of Service Vulnerability Affected: 7.0.0; 7.0.0.1; 7.0.1; 7.0.1.1; 7.0.2; 7.2.0; +34 more |
| CVE-2025-20362 In wildKEV | 8.6 | Sep 25 | Cisco Secure Firewall Adaptive Security (ASA) Appliance and Secure Firewall Threat Defense (FTD) Missing Authorization Vulnerability Affected: 6.2.3; 6.2.3.1; 6.2.3.2; 6.2.3.3; 6.2.3.4; 6.2.3.5; +34 more |
| CVE-2026-20332 | 9.9 | Sep 16 | Cisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software and Secure Firewall Management Center Software Hardening Release - Improper Access Control Vulnerabilities Affected: 7.0.0.1; 7.0.1; 7.0.1.1; 7.0.2; 7.0.2.1; 7.0.3; +34 more |
| CVE-2026-20330 | 9.9 | Sep 16 | Cisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software and Secure Firewall Management Center Software Hardening Release - Improper Neutralization Vulnerabilities Affected: 7.0.0.1; 7.0.1; 7.0.1.1; 7.0.2; 7.0.2.1; 7.0.3; +34 more |
| CVE-2026-20329 | 9.9 | Sep 16 | Cisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software and Secure Firewall Management Center Software Hardening Release - Exceptional Conditions Handling Vulnerabilities Affected: 7.0.0.1; 7.0.1; 7.0.1.1; 7.0.2; 7.0.2.1; 7.0.3; +34 more |
| CVE-2026-20331 | 9.6 | Sep 16 | Cisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software and Secure Firewall Management Center Software Hardening Release - Protection Mechanism Failure Vulnerabilities Affected: 7.0.0.1; 7.0.1; 7.0.1.1; 7.0.2; 7.0.2.1; 7.0.3; +34 more |
| CVE-2026-20043 New | 9.0 | Oct 21 | Multiple Cisco Products Snort 3 Software Hardening Release: October 2026 Affected: 7.0.0; 7.0.0.1; 7.0.1; 7.0.1.1; 7.0.2; 7.0.2.1; +34 more |
| CVE-2026-20333 | 8.8 | Sep 16 | Cisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software and Secure Firewall Management Center Software Hardening Release - Incorrect Comparison Vulnerabilities Affected: 7.0.0.1; 7.0.1; 7.0.1.1; 7.0.2; 7.0.2.1; 7.0.3; +34 more |
| CVE-2026-20336 | 8.8 | Sep 16 | Cisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software and Secure Firewall Management Center Software Hardening Release - Resource Lifetime Management Vulnerabilities Affected: 7.0.0.1; 7.0.1; 7.0.1.1; 7.0.2; 7.0.2.1; 7.0.3; +34 more |
| CVE-2026-20154 | 8.6 | Sep 16 | Cisco Secure Firewall Adaptive Security Appliance Software and Secure Firewall Threat Defense Software Logging Denial of Service Affected: 7.0.0; 7.0.0.1; 7.0.1; 7.0.1.1; 7.0.2; 7.2.0; +34 more |
| CVE-2026-20135 | 8.6 | Sep 16 | Cisco Secure Firewall Threat Defense Software TLS 1.3 Denial of Service Vulnerability Affected: 7.0.0; 7.0.0.1; 7.0.1; 7.0.1.1; 7.0.2; 7.2.0; +34 more |
| CVE-2026-20249 | 8.6 | Sep 16 | Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software IKEv2 Certificate Authentication Denial of Service Vulnerability Affected: 7.0.0; 7.0.0.1; 7.0.1; 7.0.1.1; 7.0.2; 7.2.0; +34 more |
| CVE-2026-20295 | 8.6 | Sep 16 | Cisco Secure Firewall Management Center and Secure Firewall Threat Defense Software sftunnel Memory Exhaustion Denial of Service Vulnerability Affected: 7.0.0; 7.0.0.1; 7.0.1; 7.0.1.1; 7.0.2; 7.2.0; +34 more |
| CVE-2026-20250 | 8.6 | Sep 16 | Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software for Firepower 3100 and 4200 Series DTLS Denial of Service Vulnerability Affected: 7.6.0; 7.7.0; 7.6.1; 7.6.2; 7.7.10; 7.7.11; +4 more |
| CVE-2026-20012 | 8.6 | Mar 25 | A vulnerability in the Internet Key Exchange version 2 (IKEv2) feature of Cisco IOS Software, Cisco IOS XE Software, Cisco Secure Firewall Adaptive Security Appliance (ASA)… Affected: 6.2.3; 6.2.3.1; 6.2.3.2; 6.2.3.3; 6.2.3.4; 6.2.3.5; +34 more |
| CVE-2026-20334 | 8.4 | Sep 16 | Cisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software and Secure Firewall Management Center Software Hardening Release - Coding Standards Vulnerabilities Affected: 7.0.0.1; 7.0.1; 7.0.1.1; 7.0.2; 7.0.2.1; 7.0.3; +34 more |
| CVE-2026-20323 | 8.3 | Sep 16 | Cisco Secure Firewall Management Center and Secure Firewall Threat Defense Software sftunnel Unauthorized Authentication Bypass Vulnerability Affected: 7.0.0; 7.0.0.1; 7.0.1; 7.0.1.1; 7.0.2; 7.2.0; +34 more |
| CVE-2026-20335 | 8.1 | Sep 16 | Cisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software and Secure Firewall Management Center Software Hardening Release - Incorrect Calculation Vulnerabilities Affected: 7.0.0.1; 7.0.1; 7.0.1.1; 7.0.2; 7.0.2.1; 7.0.3; +34 more |
| CVE-2026-20291 New | 7.8 | Oct 21 | Multiple Cisco Products Snort 3 Software Hardening Release: October 2026 Affected: 7.0.0; 7.0.0.1; 7.0.1; 7.0.1.1; 7.0.2; 7.2.0; +34 more |
| CVE-2026-20356 New | 7.5 | Oct 21 | Multiple Cisco Products Snort 3 Software Hardening Release: October 2026 Affected: 7.0.0; 7.0.0.1; 7.0.1; 7.0.1.1; 7.0.2; 7.2.0; +34 more |
| CVE-2026-20236 New | 7.5 | Oct 21 | Multiple Cisco Products Snort 3 Software Hardening Release: October 2026 Affected: 7.0.0; 7.0.0.1; 7.0.1; 7.0.1.1; 7.0.2; 7.2.0; +34 more |
| CVE-2026-20222 | 7.4 | Sep 16 | Cisco Secure Adaptive Security Appliance Software and Secure Firewall Threat Defense Software EIGRP Denial of Service Vulnerability Affected: 7.3.0; 7.3.1; 7.3.1.1; 7.4.0; 7.4.1; 7.4.1.1; +19 more |
| CVE-2026-20248 | 6.8 | Sep 16 | Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software TCP DNS Denial of Service Vulnerability Affected: 7.0.0; 7.0.0.1; 7.0.1; 7.0.1.1; 7.0.2; 7.2.0; +34 more |
| CVE-2026-76489 New | 5.8 | Oct 21 | Multiple Cisco Products Snort 3 Generic File Processing Memory Exhaustion Denial of Service Vulnerability Affected: 7.0.0; 7.0.0.1; 7.0.1; 7.0.1.1; 7.0.2; 7.2.0; +34 more |
| CVE-2026-20221 New | 5.8 | Oct 21 | Multiple Cisco Products Snort 3 Generic Routing Encapsulation Denial of Service Vulnerabilities Affected: 7.0.0; 7.0.0.1; 7.0.1; 7.0.1.1; 7.0.2; 7.2.0; +34 more |
| CVE-2026-20197 New | 5.8 | Oct 21 | Multiple Cisco Products Snort 3 Teredo Protocol Denial of Service Vulnerability Affected: 7.0.0; 7.0.0.1; 7.0.1; 7.0.1.1; 7.0.2; 7.2.0; +34 more |
| CVE-2026-20218 New | 5.8 | Oct 21 | Cisco Secure Firewall Threat Defense Snort 3 Visual Basic for Applications Buffer Overflow Denial of Service Vulnerability Affected: 7.2.0; 7.2.0.1; 7.2.1; 7.3.0; 7.2.2; 7.2.3; +34 more |
| CVE-2026-20179 New | 5.8 | Oct 21 | Multiple Cisco Products Snort 3 Generic Routing Encapsulation Denial of Service Vulnerabilities Affected: 7.0.0; 7.0.0.1; 7.0.1; 7.0.1.1; 7.0.2; 7.2.0; +34 more |
| CVE-2026-20019 New | 5.8 | Oct 21 | Multiple Cisco Products Snort 3 Netflow Denial of Service Vulnerabilities Affected: 7.0.0; 7.0.0.1; 7.0.1; 7.0.1.1; 7.0.2; 7.2.0; +34 more |
| CVE-2026-20011 New | 5.8 | Oct 21 | Multiple Cisco Products Snort 3 SMTP MIME Denial of Service Vulnerability Affected: 7.0.0; 7.0.0.1; 7.0.1; 7.0.1.1; 7.0.2; 7.2.0; +34 more |
| CVE-2026-20120 | 5.8 | Sep 16 | Cisco FTD ACL bypass vulnerability Affected: 7.6.0; 7.7.0; 7.6.1; 7.6.2; 7.7.10; 7.7.11; +2 more |
| CVE-2026-20290 | 5.8 | Sep 16 | Cisco Secure Firewall Threat Defense Software Snort 2 SSL/TLS Denial of Service Vulnerability Affected: 7.0.0; 7.0.0.1; 7.0.1; 7.0.1.1; 7.0.2; 7.2.0; +34 more |
| CVE-2026-76445 New | 5.3 | Oct 21 | Multiple Cisco Products Snort 3 Denial of Service Vulnerability Affected: 7.0.0; 7.0.0.1; 7.0.1; 7.0.1.1; 7.0.2; 7.2.0; +34 more |
| CVE-2026-20121 | 5.3 | Sep 16 | CIsco FTD Bypass Access List Affected: 7.6.0; 7.7.0; 7.6.1; 7.6.2; 7.7.10; 7.7.11; +2 more |
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