The software required for firmware analysis depends entirely on the vendor of the BIOS/UEFI. Standard tools in the industry include:
The specific (e.g., Intel 14th Gen, AMD Ryzen 7000, NVIDIA RTX 40-series). bios editor software extra quality
Find the specific section you wish to alter (e.g., the CPU Microcode section or the standard setup menu). The software required for firmware analysis depends entirely