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/events/DHCPS-REDETECT.sh line 2:

xmldbc -P /etc/events/DHCPS-REDETECT.php -V INF=$1 > /var/run/DHCPS-REDETECT.sh

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

Did you mean:

xmldbc -P /etc/events/DHCPS-REDETECT.php -V INF="$1" > /var/run/DHCPS-REDETECT.sh

For more information:

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

[*] Source file DHCPS-REDETECT.sh