In /logs/firmware/unblob_extracted/firmware_extract/DIR-600_fw_revb5_214b01_ALL_de_20130122/dir600b_v2.14_d1mg.bin_extract/1179788-3612812.squashfs_v4_le_extract/etc/scripts/settime.sh line 2:

echo [$0] $1 $2 $3 ... > /dev/console

      ^-- SC2086 (info): Double quote to prevent globbing and word splitting.

          ^-- SC2086 (info): Double quote to prevent globbing and word splitting.

             ^-- SC2086 (info): Double quote to prevent globbing and word splitting.

                ^-- SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:

echo ["$0"] "$1" "$2" "$3" ... > /dev/console

In /logs/firmware/unblob_extracted/firmware_extract/DIR-600_fw_revb5_214b01_ALL_de_20130122/dir600b_v2.14_d1mg.bin_extract/1179788-3612812.squashfs_v4_le_extract/etc/scripts/settime.sh line 7:

D=`date +%Y.%m.%d`

  ^--------------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.

Did you mean:

D=$(date +%Y.%m.%d)

For more information:

  https://www.shellcheck.net/wiki/SC2086 -- Double quote to prevent globbing ...

  https://www.shellcheck.net/wiki/SC2006 -- Use $(...) notation instead of le...

[*] Source file settime.sh