Mystery File System – /dev/ttyS0

Last week Jim posted a comment asking about reverse engineering the firmware for some Chinese routers with the intention of extracting the Web files and translating them to English. Although I usually work with Linux based firmware, this sounded interesting so I thought I’d investigate. Although I wasn’t able to… Continue reading

Firmware Patching: Fixing the TEW-632BRP – /dev/ttyS0

Customizing firmware images can be a very useful skill, allowing you to add or unlock features, fix bugs, and patch vulnerabilities when vendors can’t (or won’t) do so in a timely manner. A while ago I found that my Trendnet TEW-632BRP and TEW-652BRP routers had a TFTP service running on… Continue reading