https://blog.leavitt.dev/posts/ Recent content in Posts on Corey Leavitt Hugo en-us Tue, 28 Apr 2026 00:00:00 +0000 https://blog.leavitt.dev/posts/spi-nor-detour/ Tue, 28 Apr 2026 00:00:00 +0000 https://blog.leavitt.dev/posts/spi-nor-detour/ How a single 4-byte dd write to the wrong MTD partition on an in-wall Ruckus H510 turned a software-recoverable experiment into a CH341A + SOIC-8 clip recovery job. https://blog.leavitt.dev/posts/h510-openwrt-port/ Tue, 28 Apr 2026 00:00:00 +0000 https://blog.leavitt.dev/posts/h510-openwrt-port/ From serial console to persistent OpenWrt install on an EOL enterprise in-wall AP. The story of a from-scratch port of the Ruckus H510 to OpenWrt. https://blog.leavitt.dev/posts/cve-2026-42189-russh/ Mon, 27 Apr 2026 00:00:00 +0000 https://blog.leavitt.dev/posts/cve-2026-42189-russh/ How designing the fuzz harness around real attacker surface, instead of pointing libfuzzer at every parser I could see, surfaced an unbounded allocation in russh’s keyboard-interactive auth in under 20 minutes.