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Introduction to C9800-80-rommon.173-3r.pkg Software This ROMMON firmware update (version 17.3(3r)) addresses critical bootloader vulnerabilities in Cisco Catalyst 9800-80 Wireless Controllers running IOS XE 17.3.x. Released on May 5, 2025, it resolves three high-severity CVEs identified in Cisco Security Advisory cisco-sa-2025-rommon,...

Introduction to C9800-universalk9_wlc.17.09.04a.CSCwh92459.SPA..bin Software This firmware patch addresses critical stability issues in Cisco Catalyst 9800 Series Wireless Controllers running IOS XE 17.9 code. Released on March 18, 2025, it specifically resolves defects documented in Cisco bug ID CSCwh92459 related to...

Introduction to C9800-40-universalk9_wlc.17.12.02.SPA.bin Software The C9800-40-universalk9_wlc.17.12.02.SPA.bin firmware delivers critical updates for Cisco Catalyst 9800-40 Wireless Controllers, part of Cisco’s intent-based networking portfolio. Released in Q1 2025, this version enhances wireless management capabilities for enterprise networks requiring high-density Wi-Fi 6/6E deployments....

Introduction to C9800-80-rommon.1612-5r.pkg This critical bootloader recovery package addresses firmware corruption scenarios in Cisco Catalyst 9800-80 Wireless Controllers running IOS XE Fuji 16.12.x. Designed for enterprise network recovery operations, the 16.12-5r build enables administrators to restore controllers stuck in ROMMON...

Introduction to C9800-universalk9_wlc.17.09.04a.CSCwh93727.SPA.apsp.bin This Access Point Service Pack (APSP) addresses critical stability and security vulnerabilities in Cisco Catalyst 9800 Series Wireless Controllers running IOS XE Amsterdam 17.9.4a. Released in Q2 2025, the update specifically targets deployments using Wi-Fi 6E/7 access...

Introduction to C9800-universalk9_wlc.17.09.04.CSCwh93727.SPA.apsp.bin This Access Point Service Pack (APSP) addresses critical network stability issues in Cisco Catalyst 9800 Series Wireless Controllers running IOS XE Amsterdam 17.9.x. Released in May 2025, the update specifically targets deployments using 802.11ax/6E access points in...

Introduction to C9800-universalk9_wlc.17.09.03.CSCwf67455.SPA.apsp.bin This Access Point Service Pack (APSP) addresses critical security vulnerabilities and operational stability issues for Cisco Catalyst 9800 Series Wireless Controllers running IOS XE Amsterdam 17.9.x. Released on April 28, 2025, the update specifically targets deployments using...

Introduction to C9800-40-universalk9_wlc.17.09.02.SPA.bin This software package delivers Cisco IOS XE Cupertino 17.9.2 for the Catalyst 9800-40 Wireless Controller – a high-performance platform supporting up to 6,000 access points and 64,000 concurrent clients in enterprise networks. Released in Q3 2024, this...

​​Introduction to C9800-universalk9_wlc.17.09.04.CSCwh31966.SPA..bin Software​​ This service pack addresses critical operational stability and security vulnerabilities for Cisco Catalyst 9800 Series Wireless Controllers running IOS XE Amsterdam 17.9.x. Released in Q2 2025, it resolves 6 documented CVEs while optimizing AP management workflows...

​​Introduction to C9800-universalk9_wlc.17.09.04.CSCwh28727.SPA.apsp.bin Software​​ This APSP (AP Service Pack) provides critical updates for Cisco Catalyst 9800 Series Wireless Controllers running IOS XE Amsterdam 17.9.x software. Released in Q2 2025, it addresses 5 documented CVEs and enhances operational stability for enterprise...