In /logs/firmware/unblob_extracted/firmware_extract/4325012-58052244.squashfs_v4_le_extract/usr/html/axis-cgi/paramlist.cgi line 3:

if [ x$1 != xnoheader ]; then

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

Did you mean: 

if [ x"$1" != xnoheader ]; then

For more information:

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