D-Link DIR-868L Hardware Reconnaissance via Root Shell

Introduction After exploiting the CVE-2018-19988 vulnerability on my D-Link DIR-868L and gaining root shell access via telnet, I wanted to gather detailed hardware information to prepare for OpenWrt installation. With root access, I could explore the entire system, read kernel logs, dump configuration, and map out the hardware. This reconnaissance phase is critical before attempting any firmware modifications - you need to know exactly what hardware you’re dealing with. Access Method Using the telnet backdoor from the exploit: ...

November 11, 2025 · 7 min · 1480 words · LTe