In /logs/firmware/patool_extraction/rootfs.img_unblob_extracted/rootfs.img_extract/0-80367616.squashfs_v4_le_extract/usr/html/axis-cgi/usergroup.cgi line 6:

    result=$(busctl call com.axis.UserManagement1  /com/axis/UserManagement1  com.axis.UserManagement1.Vapix  GetUser s $1 2>/dev/null || :)

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

Did you mean: 

    result=$(busctl call com.axis.UserManagement1  /com/axis/UserManagement1  com.axis.UserManagement1.Vapix  GetUser s "$1" 2>/dev/null || :)

In /logs/firmware/patool_extraction/rootfs.img_unblob_extracted/rootfs.img_extract/0-80367616.squashfs_v4_le_extract/usr/html/axis-cgi/usergroup.cgi line 17:

    count_secondary="$(echo $result | cut -d' ' -f2)"

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

Did you mean: 

    count_secondary="$(echo "$result" | cut -d' ' -f2)"

In /logs/firmware/patool_extraction/rootfs.img_unblob_extracted/rootfs.img_extract/0-80367616.squashfs_v4_le_extract/usr/html/axis-cgi/usergroup.cgi line 18:

    if [ $count_secondary -ne 0 ]; then

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

Did you mean: 

    if [ "$count_secondary" -ne 0 ]; then

In /logs/firmware/patool_extraction/rootfs.img_unblob_extracted/rootfs.img_extract/0-80367616.squashfs_v4_le_extract/usr/html/axis-cgi/usergroup.cgi line 19:

        m2="$(echo $result | cut -d' ' -f3-)"

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

Did you mean: 

        m2="$(echo "$result" | cut -d' ' -f3-)"

In /logs/firmware/patool_extraction/rootfs.img_unblob_extracted/rootfs.img_extract/0-80367616.squashfs_v4_le_extract/usr/html/axis-cgi/usergroup.cgi line 23:

    printf "$secondary_groups\n"

           ^-------------------^ SC2059 (info): Don't use variables in the printf format string. Use printf '..%s..' "$foo".

In /logs/firmware/patool_extraction/rootfs.img_unblob_extracted/rootfs.img_extract/0-80367616.squashfs_v4_le_extract/usr/html/axis-cgi/usergroup.cgi line 32:

    grouplist=$(id -nG $USER 2>/dev/null)

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

Did you mean: 

    grouplist=$(id -nG "$USER" 2>/dev/null)

In /logs/firmware/patool_extraction/rootfs.img_unblob_extracted/rootfs.img_extract/0-80367616.squashfs_v4_le_extract/usr/html/axis-cgi/usergroup.cgi line 36:

            printf "$group "

                   ^-------^ SC2059 (info): Don't use variables in the printf format string. Use printf '..%s..' "$foo".

In /logs/firmware/patool_extraction/rootfs.img_unblob_extracted/rootfs.img_extract/0-80367616.squashfs_v4_le_extract/usr/html/axis-cgi/usergroup.cgi line 44:

      id -nG $REMOTE_USER

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

Did you mean: 

      id -nG "$REMOTE_USER"

In /logs/firmware/patool_extraction/rootfs.img_unblob_extracted/rootfs.img_extract/0-80367616.squashfs_v4_le_extract/usr/html/axis-cgi/usergroup.cgi line 46:

      get_groups_names $REMOTE_USER

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

Did you mean: 

      get_groups_names "$REMOTE_USER"

For more information:

  https://www.shellcheck.net/wiki/SC2059 -- Don't use variables in the printf...

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