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/ubcom-run.sh line 2:

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

      ^-- 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"... > /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/ubcom-run.sh line 10:

    	pid=`cat /var/run/ubcom-monitor.pid`

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

Did you mean:

    	pid=$(cat /var/run/ubcom-monitor.pid)

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/ubcom-run.sh line 11:

    	if [ $pid != 0 ]; then

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

Did you mean:

    	if [ "$pid" != 0 ]; then

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/ubcom-run.sh line 12:

		    kill $pid > /dev/null 2>&

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

Did you mean:

		    kill "$pid" > /dev/null 2>&1

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 ubcom-run.sh