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Introduction to fxos-k9-system.5.0.3.N2.4.120.722.SPA This critical infrastructure update package delivers essential firmware enhancements for Cisco FXOS System Software 5.0.3.N2.4 running on Firepower 4100/9300 Series chassis. Released on April 25, 2025, it resolves 8 high-severity vulnerabilities identified in Cisco’s Q1 2025 Security...

Introduction to fxos-k9-system.5.0.3.N2.4.120.525.SPA This essential infrastructure package delivers critical firmware updates for Cisco FXOS System Software 5.0.3.N2 running on Firepower 4100/9300 Series chassis. Released on March 12, 2025, it resolves 6 high-priority vulnerabilities documented in Cisco’s Q1 2025 Security Advisory...

Introduction to fxos-k9-manager.4.12.0.711.SPA This critical infrastructure update package delivers essential security hardening and operational stability enhancements for Cisco FXOS Manager version 4.12 on Firepower 4100/9300 Series chassis. Designed as a cumulative maintenance release, it resolves 3 high-severity vulnerabilities (CVSS 7.1+)...

Introduction to Cisco_FTD_SSP_FP1K_Patch-7.2.5.1-29.sh.REL.tar This cumulative security patch addresses critical vulnerabilities and enhances stability for Cisco Firepower Threat Defense (FTD) software version 7.2.5 running on Firepower 1000 Series appliances. Designed as a hotfix maintenance release, it resolves 4 CVEs rated 7.0+...

Introduction to fxos-k9.2.6.1.187.SPA Software The ​​fxos-k9.2.6.1.187.SPA​​ serves as the core firmware package for Cisco Firepower 4100/9300 Series chassis management systems, addressing critical hardware compatibility requirements and security vulnerabilities identified in previous FXOS versions. Released through Cisco’s Software Center in Q1...

Introduction to fxos-k9.2.3.1.219.SPA Software The ​​fxos-k9.2.3.1.219.SPA​​ is a critical firmware package for Cisco Firepower 4100/9300 Series security appliances, designed to enhance chassis management and hardware abstraction layer (HAL) operations. This release focuses on improving system validation protocols and firmware integrity...

Introduction to fxos-k9.2.16.0.128.SPA Software The ​​fxos-k9.2.16.0.128.SPA​​ firmware package delivers critical infrastructure updates for Cisco Firepower 4100/9300 Series security appliances, focusing on hardware lifecycle management and operational stability for next-generation firewall platforms. Released in Q2 2025 as part of Cisco’s extended...

Introduction to fxos-k9.2.14.1.163.SPA Software This firmware package (fxos-k9.2.14.1.163.SPA) provides critical system-level updates for Cisco Firepower 4100/9300 Series appliances running Firepower eXtensible Operating System (FXOS) version 2.14.x. Released in April 2025 through Cisco Security Advisory cisco-sa-20290428-fxos-memleak, the update resolves memory management...

Introduction to fxos-k9.2.14.1.167.SPA Software The ​​fxos-k9.2.14.1.167.SPA​​ serves as the foundational firmware for Cisco Firepower 4100/9300 Series chassis management systems, addressing critical security vulnerabilities and hardware compatibility requirements. Released through Cisco’s Software Center in Q2 2025, this 2.14(1) build provides essential...

Introduction to fxos-k9.2.14.1.143.SPA Software The ​​fxos-k9.2.14.1.143.SPA​​ is a critical firmware update for Cisco Firepower 4100/9300 Series security appliances, designed to enhance chassis management and hardware abstraction layer (HAL) operations. This release addresses memory management vulnerabilities and introduces optimizations for 400G...