Cisco E900 ports 1990/tcp and 5916/tcp open on the LAN. Cannot close them.

Hello,
I just bought a Cisco Linksys E900 wireless router. Can someone explain to me why the router (192.168.1.1 on my case) has ports 1990/tcp and 5916/tcp open on the LAN?? I cannot find a way to close those ports.
Just do a simple:
telnet 192.168.1.1 1990
or
telnet 192.168.1.1 5916
and you'll see those ports are open.
1990/tcp = Cisco STUN Priority 1 port
5916/tcp = I have no idea
Every client on the LAN (wired and wireless) can connect to those ports on the router. I do not want that to happen. It is unncessary and it is just not secure. I only want the router to have port 443 open on the LAN for the web mgmt interface. I do not want any other unncessary port open.
It would be great to have a response from Cisco directly.
Thank you for your time.

JohnT66 wrote:
Thank you for your response.
The router is already updated to the latest firmware (1.0.04 Build 1).
I had to do the update as soon as I opened the box because the default firmware had an incredible serious bug: after setting up the web management interface on the LAN to work over SSL, it was impossible to access the interface because of an SSL bug in the router. The bug is in the release notes of the firmware... that alone says a lot about the very very poor quality of this router.. you can't have that kind of bug in a finished product....
I was able to close port 1990/tcp by disabling WPS in the router, although doing so was pure luck since the router's UI is terrible..
5916/tcp is still open.. since I was able to close 1990/tcp I don't think this is a defective router.. I cannot return a router to the store just because it leaves a port open, the store, sadly, will not take it back... so please Cisco, can you help with this? this product is faulty, it doesn't work as expected, it's your responsability.. please help
Reset the router manually then reconfigure the settings.

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Cisco E900 ports 1990/tcp and 5916/tcp open on the LAN. Cannot close them.

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