zyxel-p870hn-hardware-hacking

From a bare PCB to root: hardware-hacking a ZyXEL P-870HN over UART Two phone photos of an unlabeled router board → serial console → auth bypass → root shell — reproducing the real, still-unpatched chain CVE-2025-0890 hidden supervisor account + CVE-2024-40891 CLI command injection on hardware I...