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

. /usr/html/axis-cgi/lib/functions.sh

  ^-- SC1091 (info): Not following: /usr/html/axis-cgi/lib/functions.sh was not specified as input (see shellcheck -x).

In /logs/firmware/unblob_extracted/firmware_extract/4325012-58052244.squashfs_v4_le_extract/usr/html/axis-cgi/tcptest.cgi line 14:

		__cgi_errhd $2 "$3"

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

Did you mean: 

		__cgi_errhd "$2" "$3"

In /logs/firmware/unblob_extracted/firmware_extract/4325012-58052244.squashfs_v4_le_extract/usr/html/axis-cgi/tcptest.cgi line 26:

	validateaddr $1

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

Did you mean: 

	validateaddr "$1"

In /logs/firmware/unblob_extracted/firmware_extract/4325012-58052244.squashfs_v4_le_extract/usr/html/axis-cgi/tcptest.cgi line 45:

			if expr $1 : '\(0\{0,4\}:\{1,2\}\)\{1,7\}0\{0,3\}1' 				>/dev/null; then

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

Did you mean: 

			if expr "$1" : '\(0\{0,4\}:\{1,2\}\)\{1,7\}0\{0,3\}1' 				>/dev/null; then

In /logs/firmware/unblob_extracted/firmware_extract/4325012-58052244.squashfs_v4_le_extract/usr/html/axis-cgi/tcptest.cgi line 53:

addr__=$(__qs_getparam address) && [ $addr__ ] || {

                                ^-- SC2015 (info): Note that A && B || C is not if-then-else. C may run when A is true.

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

Did you mean: 

addr__=$(__qs_getparam address) && [ "$addr__" ] || {

In /logs/firmware/unblob_extracted/firmware_extract/4325012-58052244.squashfs_v4_le_extract/usr/html/axis-cgi/tcptest.cgi line 66:

check_host_addr $addr__

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

Did you mean: 

check_host_addr "$addr__"

In /logs/firmware/unblob_extracted/firmware_extract/4325012-58052244.squashfs_v4_le_extract/usr/html/axis-cgi/tcptest.cgi line 68:

res=$(tcptest 10 $addr__ $port__ 2>&1) || {

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

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

Did you mean: 

res=$(tcptest 10 "$addr__" "$port__" 2>&1) || {

For more information:

  https://www.shellcheck.net/wiki/SC1091 -- Not following: /usr/html/axis-cgi...

  https://www.shellcheck.net/wiki/SC2015 -- Note that A && B || C is not if-t...

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