{"guid":"f6331640-2824-56b6-b2a1-913a3dc682a1","title":"Leiterfreie Firmware-Freiheit","subtitle":null,"slug":"fsck-2025-132-leiterfreie-firmware-freiheit","link":"https://cfp.ctbk.de/fsck-2025/talk/FSALAD/","description":"In diesem Talk nehmen wir euch mit, auf unsere spannende Reise, OpenWrt über die originale Ruckus-Firmware auf ZF7363-APs zu flashen.\nErlaubt ist dabei ausschließlich die Verwendung des LAN-Ports, da die Ziel-APs an der Decke eines Lagers hängen und die UART-Schnittstelle auf dem Mainboard somit nicht sinnvoll zugänglich ist.\nDa bisher nur eine Flashmethode per UART bekannt war, mussten wir uns einen komplett neuen Weg reverse-engineeren.\nDabei gibt es viel zu lernen: Man stößt auf die Internet Checksum, legacy scp, base64 und noch vieles mehr.\n\nLicensed to the public under 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