In /logs/firmware/unblob_extracted/firmware_extract/1568982-13971496.squashfs_v4_le_extract/etc/init.d/init-env line 7:

START=48

^---^ SC2034 (warning): START appears unused. Verify use (or export if used externally).

In /logs/firmware/unblob_extracted/firmware_extract/1568982-13971496.squashfs_v4_le_extract/etc/init.d/init-env line 17:

  user_exists webuser && echo -e "123456\n123456\n" | passwd webuser && group_add_user www-data webuser

                              ^-- SC3037 (warning): In POSIX sh, echo flags are undefined.

For more information:

  https://www.shellcheck.net/wiki/SC2034 -- START appears unused. Verify use ...

  https://www.shellcheck.net/wiki/SC3037 -- In POSIX sh, echo flags are undef...