The present invention relates to a firmware provision apparatus and a provision method therefor. The firmware provision apparatus according to the present invention comprises: a memory that stores firmware data of a specific device; and a processor that divides the firmware data into two or more logical blocks, and generates a firmware image including the logical blocks obtained from the division, wherein the logical blocks include data areas in which the corresponding divided firmware data is stored and buffer areas in which data about changed details of the corresponding divided firmware data is stored.