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Introduction to CW9800H-wlc-universalk9.17.16.01.SPA.bin This software package delivers Cisco’s latest feature enhancements for Catalyst 9800H hardware wireless controllers running IOS XE 17.16.x. Released in Q2 2025 as part of Cisco’s Extended Maintenance program, it introduces advanced IoT orchestration capabilities while maintaining...

Introduction to CW9800H-wlc-universalk9.17.15.02.SPA.bin Software The CW9800H-wlc-universalk9.17.15.02.SPA.bin is a critical maintenance release for Cisco Catalyst 9800-H High-Density Wireless Controllers running IOS XE Amsterdam 17.15.x. Officially released in Q3 2025, this firmware addresses 12 high-priority defects identified in enterprise Wi-Fi 7 deployments,...

Introduction to C9800-L-universalk9_wlc.V1712_4_ESW13.SPA.bin Software This Engineering Special Wireless (ESW) release addresses critical stability issues in Catalyst 9800-L Wireless Controllers running IOS XE Amsterdam 17.12.x software trains. Designed for enterprise networks requiring uninterrupted wireless operations, the update focuses on resolving AP...

Introduction to C9800-L-universalk9_wlc.17.12.04.CSCwn26561.SPA..bin This critical security update for Cisco Catalyst 9800-L Wireless Controllers resolves certificate validation vulnerabilities in AP join processes while enhancing Wi-Fi 6E protocol stability. Released on March 15, 2025, the firmware targets deployments using IOS XE Amsterdam...

Introduction to C9800-L-universalk9_wlc.17.09.04a.CSCwh93727.SPA.apsp.bin Software This application-specific patch addresses critical vulnerabilities identified in Cisco Security Advisory CSCwh93727, targeting CAPWAP protocol implementation flaws that could enable unauthenticated traffic redirection. Designed for Catalyst 9800-L controllers running IOS XE 17.9.x, the patch maintains operational...

Introduction to CW9800H-wlc-universalk9.17.15.01.SPA.bin Software The ​​CW9800H-wlc-universalk9.17.15.01.SPA.bin​​ firmware image is a critical update for Cisco Catalyst 9800H Wireless Controllers, part of the IOS XE Amsterdam 17.15.x release train. Designed for enterprise-scale deployments, this version resolves security vulnerabilities in AP image validation...

Introduction to C9800-L-universalk9_wlc.17.12.04.CSCwj93876.SPA..bin This software patch addresses critical security vulnerabilities in Cisco Catalyst 9800-L wireless controllers running IOS XE 17.12.x. Released on April 15, 2025, under Cisco’s Security Maintenance Release (SMR) program, it specifically resolves CVE-2024-20485 – a high-severity backup...

Introduction to C9800-L-universalk9_wlc.17.12.04.CSCwm33207.SPA.bin Software This Security Maintenance Update (SMU) addresses critical defect CSCwm33207 in Cisco Catalyst 9800-L Wireless Controllers running IOS XE Amsterdam 17.12.x. Released in Q1 2025 under Cisco Field Notice FN75555-R2, it resolves intermittent HA SSO configuration loss...

Introduction to C9800-L-universalk9_wlc.17.09.03.CSCwe01579.SPA..bin This firmware package addresses critical vulnerabilities in Cisco IOS XE 17.9.x for Catalyst 9800-L controllers, specifically resolving certificate validation failures affecting AP join processes. Designed for mid-sized enterprise deployments, it supports centralized management of up to 250...

Introduction to C9800-L-universalk9_wlc.17.17.01.SPA.bin This software package delivers critical stability enhancements for Cisco Catalyst 9800-L wireless controllers operating in high-availability (HA) deployments. Released in Q2 2025 under Cisco’s Software Maintenance Updates (SMU) program, it resolves configuration persistence issues identified in Field...