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Introduction to fxos-k9-manager.4.12.0.525.SPA Software This essential management platform update delivers Cisco FXOS Manager 4.12(0) for Firepower 4100/9300 Series security appliances, addressing 8 CVSS-rated vulnerabilities identified in Cisco’s Q2 2025 Security Advisory Bundle. The package enhances chassis supervision capabilities including secure...

Introduction to fxos-k9-manager.4.11.1.85.SPA This critical management bundle for Cisco Firepower eXtensible Operating System (FXOS) delivers hardware supervision enhancements for Firepower 4100/9300 chassis, addressing 9 CVSS-rated vulnerabilities while optimizing resource allocation efficiency. Released through Cisco’s Security Advisory portal on April 25,...

Introduction to fxos-k9-manager.4.11.1.273.SPA This firmware package delivers critical management plane enhancements for Cisco Firepower 4100/9300 series security appliances running FXOS 4.11.x. Released on April 25, 2025 through Cisco Security Advisory cisco-sa-fxos-cmdinj-2025, it addresses three high-risk vulnerabilities in chassis management interfaces...

Introduction to “fxos-k9-kickstart.5.0.3.N2.4.81.142.SPA” Software This boot initialization package serves as the foundational firmware layer for Cisco Firepower 4100/9300 Series security appliances running FXOS 5.0.3. Released in Q4 2024, build ​​N2.4.81.142​​ specifically addresses critical vulnerabilities in secure boot validation while enhancing...

Introduction to fxos-k9-manager.4.10.1.266.SPA Software This critical management platform update delivers Cisco FXOS Manager 4.10(1) for Firepower 4100/9300 Series security appliances, addressing 6 CVSS-rated vulnerabilities identified in Cisco’s Q2 2025 Security Advisory Bundle. The package enhances chassis supervision capabilities, including secure...

Introduction to fxos-k9-manager.4.10.1.157.SPA This essential management bundle for Cisco Firepower eXtensible Operating System (FXOS) delivers critical infrastructure updates for Firepower 4100/9300 chassis, addressing 7 CVSS-rated vulnerabilities while optimizing hardware resource allocation. Released through Cisco’s Security Advisory portal in Q1 2025,...

Introduction to fxos-k9-kickstart.5.0.3.N2.4.160.555.SPA This kickstart image provides foundational boot capabilities for Cisco Firepower 4100/9300 series security appliances running FXOS 5.0.3. Released on May 5, 2025, it addresses critical firmware vulnerabilities identified in Cisco Security Advisory cisco-sa-fxos-2025-xyzw. The package enables secure...

Introduction to “fxos-k9-kickstart.5.0.3.N2.4.120.739.SPA” Software This boot initialization package provides the foundational firmware layer for Cisco Firepower 4100 Series and 9300 Series security appliances running FXOS 5.0.3. Released on February 28, 2025, this kickstart image (build N2.4.120.739) addresses critical bootloader vulnerabilities...

Introduction to fxos-k9-kickstart.5.0.3.N2.4.31.202.SPA Software This essential firmware update delivers Cisco FXOS 5.0(3)N2(4.31) for Firepower 4100/9300 Series security appliances, addressing 9 CVSS-rated vulnerabilities identified in Cisco’s Q1 2025 Security Advisory Bundle. The kickstart package provides foundational system services including secure boot...

Introduction to fxos-k9-kickstart.5.0.3.N2.4.111.85.SPA This critical platform bundle update for Cisco Firepower eXtensible Operating System (FXOS) addresses 9 CVSS-rated vulnerabilities while introducing hardware acceleration optimizations for Firepower 4100/9300 chassis. Released through Cisco’s Security Advisory portal on March 15, 2025, the package...