shell bypass 403

UnknownSec Shell

: /sys/bus/serial-base/drivers/ctrl/ [ drwxr-xr-x ]
name last edit size owner:downer permission options
..
00:00:0 2026-02-18 02:51:35 dir root:root drwxr-xr-x
serial8250:0 2026-02-18 02:39:06 dir root:root drwxr-xr-x
uevent 2026-02-18 02:51:35 4 KB root:root --w-------
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