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Introduction to C9800-AP-universalk9.17.12.03.zip This software bundle provides essential firmware updates for Cisco Catalyst 9100/9120/9130/9160 series access points managed by Catalyst 9800 wireless controllers running IOS XE Dublin 17.12.x. Released in Q4 2024, it consolidates 14 critical security patches and performance...

Introduction to C9800-CL-universalk9.17.09.04.CSCwh28727.SPA.apsp.bin This specialized software package serves as an Application-Specific Patch (APSP) for Cisco Catalyst 9800-CL cloud-based wireless controllers running IOS XE 17.9.x releases. Designed to address critical operational stability issues identified in production environments, this cumulative update resolves...

Introduction to C9800-L-universalk9_wlc.17.09.03.CSCwe01579.SPA..bin This hotfix release addresses critical vulnerabilities and operational improvements for Cisco Catalyst 9800 Series Wireless Controllers running IOS® XE Amsterdam 17.9.x. Specifically targeting defect CSCwe01579, it resolves intermittent packet loss observed in high-density Wi-Fi 6E deployments using...

Introduction to C9800-L-universalk9_wlc.17.03.06.CSCwd03847.SPA.bin Software This software package delivers Cisco IOS XE 17.03.06 for Catalyst 9800 Series Wireless Controllers, specifically addressing critical wireless network management requirements through targeted bug fixes and stability improvements. Designed for enterprise-class deployments, it supports the C9800-L...

Introduction to C9800-CL-universalk9.17.09.04.CSCwh28727.SPA.apsp.bin This software package delivers Cisco IOS® XE Amsterdam 17.9.4-based Application-Specific Software Package (ASSP) for Catalyst 9800 Series Wireless Controllers. Designed for enterprise wireless deployments, it addresses critical bug fixes identified in Cisco defect CSCwh28727 while maintaining platform...

Introduction to pp-adv-c9800-1712.1-49-69.0.0.pack.zip This Software Maintenance Update (SMU) package delivers critical security patches and performance optimizations for Cisco Catalyst 9800 Series Wireless Controllers running IOS XE Dublin 17.12.1. Released under Cisco’s quarterly security advisory cycle, it specifically addresses vulnerabilities in...

Introduction to C9800-AP-universalk9.17.14.01.zip This software package contains the Cisco IOS XE 17.14.01 firmware for Catalyst 9800 Series Wireless Controllers, specifically designed to manage Wi-Fi 6/6E access points in enterprise environments. Released in Q3 2025, it resolves critical vulnerabilities in CAPWAP...

Introduction to pp-adv-c9800-1612.1a-37-50.0.0.pack This Software Maintenance Update (SMU) package delivers critical security fixes and performance enhancements for Cisco Catalyst 9800 Series Wireless Controllers running IOS XE Gibraltar 16.12.1a. Released as part of Cisco’s quarterly security advisory cycle, it specifically addresses...

Introduction to C9800-AP-universalk9.17.12.05.zip This software bundle provides unified firmware for Cisco Catalyst 9100/4800/3800 series access points managed by Catalyst 9800 Wireless Controllers running IOS XE Dublin 17.12.x. Released in Q2 2025, it addresses critical security vulnerabilities while introducing enhanced IoT...

Introduction to C9800-AP-universalk9.17.14.01.zip Software This software package delivers Cisco IOS XE Dublin 17.14.01 firmware for Catalyst 9100/9120 series wireless access points, designed to enhance Wi-Fi 6/6E performance and address critical security vulnerabilities. Released in Q2 2025 as part of Cisco’s...