CVE-2026-20135

cisco cisco-sa-ftd-tls1.3-dos-dLxwFWgF: Cisco Secure Firewall Threat Defense Software TLS 1.3 Denial of Service Vulnerability (Last Updated: 9/18/2026)

cisco cisco-sa-phone-dos-txMYNRzv: Cisco Desk Phone 9800 Series, IP Phone 7800 and 8800 Series, and Video Phone 8875 with SIP Software Denial of Service Vulnerability (Last Updated: 9/17/2026)

cisco cisco-sa-ucs-uefi-sb-bypass-eb6xC5GW: Cisco UCS and UCS-Based Appliances UEFI Shell Secure Boot Bypass Vulnerability (Last Updated: 9/17/2026)

cisco cisco-sa-fmc-mulivulns-4PsnFwvx_CVE-2026-20340_CVE-2026-20341_CVE-2026-20342_CVE-2026-20344: Cisco Secure Firewall Management Center Software Vulnerabilities (Last Updated: 9/17/2026)

cisco cisco-sa-fmc-mulivulns-4PsnFwvx_CVE-2026-20343: Cisco Secure Firewall Management Center Software Vulnerabilities (Last Updated: 9/17/2026)

cisco cisco-sa-fmc-javarce-y2NypXwk: Cisco Secure Firewall Management Center Software Java Deserialization Remote Code Execution Vulnerability (Last Updated: 9/17/2026)

cisco cisco-sa-fmcftd-sftun-multivulns-WGVHOrN3_CVE-2026-20323: Cisco Secure Firewall Management Center and Secure Firewall Threat Defense Software sftunnel Vulnerabilities (Last Updated: 9/17/2026)

cisco cisco-sa-hardening-ise-XU5EwX5T: Cisco Identity Services Engine Hardening Release: September 2026 (Last Updated: 9/17/2026)

cisco cisco-sa-hardening-ise-XU5EwX5T: Cisco Identity Services Engine Hardening Release: September 2026 (Last Updated: 9/17/2026)

cisco cisco-sa-fmc-sftunn-codex-c3O4Jft2: Cisco Secure Firewall Management Center Software sftunnel Root Arbitrary Code Execution Vulnerability (Last Updated: 9/17/2026)

cisco cisco-sa-fmc2-multivulns-HXgcqRG_CVE-2026-76413_CVE-2026-76420: Cisco Secure Firewall Management Center Software Vulnerabilities (Last Updated: 9/17/2026)

cisco cisco-sa-hardening-asaftdfmc-uvpPROhN: Cisco Secure Firewall Adaptive Security Appliance, Secure Firewall Threat Defense, and Secure Firewall Management Center Software Hardening Release: Septem (Last Updated: 9/17/2026)

cisco cisco-sa-hardening-asaftdfmc-uvpPROhN: Cisco Secure Firewall Adaptive Security Appliance, Secure Firewall Threat Defense, and Secure Firewall Management Center Software Hardening Release: Septem (Last Updated: 9/17/2026)

cisco cisco-sa-fmc2-multivulns-HXgcqRG_CVE-2026-76412: Cisco Secure Firewall Management Center Software Vulnerabilities (Last Updated: 9/17/2026)