Fixing exception handling

routersploit/modules/exploits/grandstream/gxv3611hd_ip_camera_rce.py

@@ -70,7 +70,7 @@ class Exploit(exploits.Exploit):
     def check(self):
         try:
             conn = telnetlib.Telnet(self.target, self.port)
-        except Exception:
+            if 'Grandstream' in conn.read_until("login:"):
+                return True
+        except:
             return False
-        else:
-            return 'Grandstream' in conn.read_until("login:")