Archives

Introduction to C9800-80-universalk9_wlc.17.06.08.SPA.bin Software This firmware release delivers Cisco IOS XE 17.06.08 for Catalyst 9800-80 Wireless Controllers, addressing critical stability improvements for high-density enterprise WLAN deployments. Released on March 18, 2025 as part of Cisco’s Extended Maintenance Release (EMR) cycle,...

Introduction to C9800-universalk9_wlc.17.09.04.CSCwh47495.SPA.apsp.bin Software This critical security patch package addresses five high-severity vulnerabilities in Cisco Catalyst 9800 Series Wireless Controllers operating under IOS XE Amsterdam 17.09.04 code train. Released through Cisco’s Emergency Security Maintenance Program on March 18, 2025, it...

Introduction to C9800-universalk9_wlc.17.09.04.CSCwh31966.SPA..bin This security-focused maintenance release addresses critical vulnerabilities in Cisco Catalyst 9800 Series Wireless Controllers operating under IOS XE Cupertino 17.9.4. Released through Cisco’s Security Vulnerability Remediation (SVR) program in Q1 2025, it specifically resolves CSCwh31966 – a...

Introduction to C9800-universalk9_wlc.17.09.04.CSCwf90646.SPA..bin Software This Software Maintenance Upgrade (SMU) addresses critical configuration persistence vulnerabilities in Cisco Catalyst 9800 Series Wireless Controllers operating in High Availability (HA) environments. Released on January 16, 2025, through Cisco Security Advisory CSCwf90646, the package specifically...

Introduction to C9800-80-universalk9_wlc.17.16.01.SPA.bin This maintenance release for Cisco Catalyst 9800-80 Wireless Controllers resolves critical HA SSO configuration persistence issues documented in Field Notice FN74222 while introducing enhanced cryptographic validations for AP image operations. Released in Q2 2025 as part of...

Introduction to C9800-80-universalk9_wlc.17.15.03.SPA.bin This firmware release resolves critical HA SSO configuration persistence issues documented in Field Notice FN74222 while introducing enhanced security validations for AP image operations. Released in Q2 2025 as part of IOS XE Cupertino 17.15.3 Extended Maintenance...

Introduction to C9800-80-universalk9_wlc.17.09.06.SPA.bin This maintenance release for Cisco Catalyst 9800-80 Wireless Controllers addresses critical HA SSO configuration persistence issues identified in Field Notice FN74222, while introducing enhanced security validations for AP image predownload operations. Released in Q2 2025 as part...

Introduction to C9800-80-universalk9_wlc.17.12.01.SPA.bin Software This IOS XE Amsterdam 17.12.01 software package delivers essential firmware updates for Cisco Catalyst 9800-80 Wireless Controllers, specifically addressing wireless network stability and security vulnerabilities in enterprise deployments. Released on March 15, 2024, it serves as...

Introduction to C9800-80-universalk9_wlc.17.09.05.SPA.bin This firmware update addresses critical operational stability and security requirements for Cisco Catalyst 9800-80 Wireless Controllers, released as part of IOS XE Cupertino 17.9.5 Extended Maintenance Deployment (EMD) in Q1 2025. Designed for high-density enterprise deployments, it...

Introduction to C9800-80-universalk9_wlc.17.06.05.SPA.bin Software This firmware package delivers Cisco IOS XE Amsterdam 17.06.05 for Catalyst 9800-80 Wireless Controllers, addressing critical network stability and security requirements for enterprise wireless deployments. Released in Q3 2024, it supports seamless integration with Cisco DNA...