Added nil check + formatting edits

modules/auxiliary/scanner/http/epmp1000_dump_config.rb

@@ -102,9 +102,16 @@ class MetasploitModule < Msf::Auxiliary
 
     if good_response
       get_epmp_ver = res.body.match(/"sw_version">([^<]*)/)
-      epmp_ver = get_epmp_ver[1]
-      print_good("#{rhost}:#{rport} - Running Cambium ePMP 1000 version #{epmp_ver}...")
-      return true
+      if !get_epmp_ver.nil?
+        epmp_ver = get_epmp_ver[1]
+        if !epmp_ver.nil?
+          print_good("#{rhost}:#{rport} - Running Cambium ePMP 1000 version #{epmp_ver}...")
+          return true
+        else
+          print_good("#{rhost}:#{rport} - Running Cambium ePMP 1000...")
+          return true
+        end
+      end
     else
       print_error("#{rhost}:#{rport} - Application does not appear to be Cambium ePMP 1000. Module will not continue.")
       return false