After the reboot, Leo checked the Device Information page [28]. The new version was active. Not only was the UPnP issue resolved, but the Wi-Fi signal seemed crisper, and his Home Assistant dashboard immediately recognized the ONT once again. Leo leaned back, the steady hum of his perfectly synced network the only sound in the room—the quiet victory of a successful firmware update.
Cybercriminals frequently target home gateways. Older firmware versions have known vulnerabilities (e.g., backdoor access, weak default credentials, or command injection flaws). An update closes these loopholes, preventing your network from being recruited into a botnet or having your DNS hijacked. Huawei Hg8145v5 Firmware Update