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Cisco Secure Firewall Threat Defense (FTD) Software — Vulnerabilities & Security Advisories 16

All 16 CVE vulnerabilities found in Cisco Secure Firewall Threat Defense (FTD) Software, with AI-generated Chinese analysis, references, and POCs.

This page aggregates vulnerability data specifically for Cisco Secure Firewall Threat Defense (FTD) software, focusing on security weaknesses identified in the product's codebase and configuration handling. The collection encompasses a range of vulnerability types affecting the FTD software, including memory corruption, authentication bypass, and information disclosure issues, covering reported advisories and patches from the last several years of documented defects. Visitors can use this resource to track vendor-published security advisories, understand the characteristics of specific weakness classes impacting the firewall's threat detection engines, and review the complete vulnerability history associated with this particular Cisco product. The data helps security teams assess remediation needs by correlating known flaws with release timelines and mitigation strategies. No specific CVE identifiers are listed; instead, the focus remains on the patterns and categories of defects rather than individual entries. This structured view supports strategic security planning by highlighting recurring risk areas within the FTD software ecosystem.

Vendor: Cisco

CVE ID Title CVSS Severity Published
CVE-2026-20290 Cisco Secure Firewall Threat Defense Software Snort 2 SSL/TLS Denial of Service Vulnerability CWE-805 5.8 Medium 2026-09-16
CVE-2026-20135 Cisco Secure Firewall Threat Defense Software TLS 1.3 Denial of Service Vulnerability CWE-415 8.6 High 2026-09-16
CVE-2026-20064 Cisco Secure Firewall Threat Defense 代码问题漏洞 CWE-476 6.5 Medium 2026-03-04
CVE-2026-20016 Cisco Secure Firewall Adaptive Security Appliance和Cisco Secure Firewall Threat Defense 参数注入漏洞 CWE-88 6.0 Medium 2026-03-04
CVE-2026-20066 Multiple Cisco Products Snort 3 TBD Denial of Service Vulnerability CWE-400 5.8 Medium 2026-03-04
CVE-2026-20065 Multiple Cisco Products Snort 3 TBD Denial of Service Vulnerability CWE-667 5.8 Medium 2026-03-04
CVE-2026-20063 Cisco Secure FTD Software Authenticated Command Injection Vulnerability CWE-88 6.0 Medium 2026-03-04
CVE-2026-20058 Cisco Secure Firewall Threat Defense Software Snort 3 Visual Basic for Application Denial of Service Vulnerability CWE-786 5.8 Medium 2026-03-04
CVE-2026-20052 Cisco Secure Firewall Threat Defense Software Snort 3 Memory Management Denial of Service Vulnerability CWE-788 5.8 Medium 2026-03-04
CVE-2026-20050 Cisco Secure Firewall Threat Defense Decryption Policy Denial of Service Vulnerability CWE-404 6.8 Medium 2026-03-04
CVE-2026-20017 Cisco Secure FTD Software Authenticated Command Injection Vulnerability CWE-250 6.0 Medium 2026-03-04
CVE-2026-20007 Cisco Secure Firewall Threat Defense Software Snort Deep Inspection Bypass Vulnerability CWE-284 5.8 Medium 2026-03-04
CVE-2026-20006 Cisco Firepower Threat Defense Software and Cisco FirePOWER Services TLS with Snort 3 Denial of Service Vulnerability CWE-388 5.8 Medium 2026-03-04
CVE-2026-20005 Cisco多款产品 安全漏洞 CWE-392 5.8 Medium 2026-03-04
CVE-2026-20026 Multiple Cisco Products Snort 3 DCERPC Vulnerabilities CWE-415 5.8 Medium 2026-01-07
CVE-2026-20027 Cisco Snort DCERPC Stub Data Out of Bounds Read CWE-200 5.3 Medium 2026-01-07

All 16 known CVE vulnerabilities affecting Cisco Secure Firewall Threat Defense (FTD) Software with full Chinese analysis, references, and POCs where available.