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isr4400_cpld_update_v1.1_SPA.bin Cisco ISR 4400 Series Router CPLD Firmware, Security Enhancement Package Download Link

Introduction to isr4400_cpld_update_v1.1_SPA.bin Software The ​​isr4400_cpld_update_v1.1_SPA.bin​​ firmware is a critical hardware-level update for Cisco ISR 4400 Series Integrated Services Routers, specifically targeting the Complex Programmable Logic Device (CPLD) responsible for secure boot validation and hardware integrity checks. This release addresses...
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Cisco ISR 4400 Series ROMmon 167_4r Firmware (isr4400_rommon_167_4r_SPA.pkg) Download Link

​​Introduction to isr4400_rommon_167_4r_SPA.pkg Software​​ The ​​isr4400_rommon_167_4r_SPA.pkg​​ firmware is a critical bootloader update for Cisco’s ISR 4400 Series routers, designed to enhance hardware initialization security and recovery capabilities. Released under Cisco’s 2024 Q3 Security-Driven Architecture program, this ROMmon (ROM monitor) version...