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Introduction to C9800-40-universalk9_wlc.17.09.05.SPA.bin This software package provides critical updates for Cisco Catalyst 9800-40 Wireless Controllers operating on IOS XE Amsterdam 17.9.x codebase. Released in Q1 2025 as part of Cisco’s semi-annual security maintenance cycle, it specifically addresses vulnerabilities documented in...

​​Introduction to C9800-40-universalk9_wlc.17.09.03.SPA.bin​​ This software package provides critical updates for Cisco Catalyst 9800-40 Wireless Controllers running IOS XE Amsterdam 17.09.x. Released in Q4 2024, it addresses operational stability requirements and security vulnerabilities identified in enterprise wireless networks supporting 9130AXI/9166 access...

​​Introduction to C9800-40-universalk9_wlc.17.06.04.SPA.bin​​ This software package delivers critical updates for Cisco Catalyst 9800-40 Wireless Controllers running IOS XE Amsterdam 17.06.x. Released in Q2 2025, it addresses operational stability issues and security vulnerabilities identified in enterprise wireless networks supporting 9130AXI/9166 access...

Introduction to C9800-40-universalk9_wlc.17.06.04.SPA.bin This firmware package delivers Cisco IOS XE Amsterdam 17.06.04 for Catalyst 9800-40 wireless controllers operating in large-scale enterprise environments. Designed as a maintenance release under Cisco’s software lifecycle policy, it targets critical stability improvements for high-density Wi-Fi...

Introduction to C9800-40-universalk9_wlc.17.03.06.SPA.bin This firmware package delivers Cisco IOS XE Amsterdam 17.03.06 for Catalyst 9800-40 wireless controllers, designed to address critical network stability and security requirements in enterprise environments. As an engineering special build released in Q4 2024, it resolves...

Introduction to C9800-universalk9_wlc.17.12.04.CSCwn86874.SPA.apsp.bin This Application-Specific Software Package (ASSP) delivers targeted enhancements for Cisco Catalyst 9800 series wireless controllers operating in enterprise-grade Wi-Fi 6E environments. Released as an intermediate patch under IOS XE Amsterdam 17.12.04 code train, it specifically resolves critical...

Introduction to C9800-L-universalk9_wlc.17.12.04.CSCwn02956.SPA.apsp.bin This specialized Application-Specific Software Package (ASSP) provides targeted enhancements for Cisco Catalyst 9800-L wireless controllers operating in high-density enterprise environments. Designed as an engineering special build under IOS XE Amsterdam 17.12.04, it addresses critical wireless client roaming...

Introduction to C9800-CL-universalk9.17.12.04.CSCwm71871.SPA.apsp.bin This specialized software package delivers Cisco IOS XE Amsterdam 17.12.04 for Catalyst 9800-CL wireless controllers deployed in cloud environments. Designed as an Application-Specific Software Package (ASSP), it addresses critical CAPWAP tunnel stability issues identified in Cisco bug...

Introduction to cat9k_lite_iosxe.17.06.05.SPA.bin This firmware package delivers Cisco IOS XE Amsterdam 17.6.5 for Catalyst 9000 Lite Series switches, optimized for enterprise access-layer deployments. Designed for resource-constrained environments, the “lite” variant maintains core switching functionality while reducing storage requirements by 40%...

Introduction to C9800-L-universalk9_wlc.17.15.02.CSCwo03262.SPA.apsp.bin Software The ​​C9800-L-universalk9_wlc.17.15.02.CSCwo03262.SPA.apsp.bin​​ is an Application-Specific Service Pack (APSP) designed for Cisco Catalyst 9800-L series wireless controllers running IOS XE Cupertino 17.15.x. Released on April 28, 2025, this maintenance package addresses 11 critical CVEs identified in Cisco...