This is the most overlooked step. The has at least three hardware revisions. Using the wrong firmware will brick your device.
Many third-party websites offer "modified" or "unlocked" firmware for the HG532e. While some are harmless (e.g., enabling hidden features), others are malicious. Attackers inject backdoors, cryptominers, or botnet clients (like the infamous Mirai variant) into fake firmware files. Installing such firmware turns your router into a weapon used to attack other networks — often without the user's knowledge. Huawei Hg532e Firmware Original