shell bypass 403

UnknownSec Shell

: /sys/dev/char/4:75/subsystem/ttyS2/device/ [ drwxr-xr-x ]
upload mass deface mass delete console info server
name last edit size owner:downer permission options
..
driver 2026-02-19 11:10:36 dir root:root drwxr-xr-x
power 2026-02-19 11:10:36 dir root:root drwxr-xr-x
subsystem 2026-02-19 07:18:22 dir root:root drwxr-xr-x
tty 2026-02-19 06:09:51 dir root:root drwxr-xr-x
uevent 2026-02-19 11:10:36 4 KB root:root -rw-r--r--
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