shell bypass 403

UnknownSec Shell

: /sys/dev/char/4:66/device/driver/ [ drwxr-xr-x ]
upload mass deface mass delete console info server
name last edit size owner:downer permission options
..
serial8250 2026-06-02 15:25:42 dir root:root drwxr-xr-x
bind 2026-06-16 23:16:22 4 KB root:root --w-------
uevent 2026-06-16 23:16:22 4 KB root:root --w-------
unbind 2026-06-16 23:16:22 4 KB root:root --w-------
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