Model :

Hardware Version : Not Clear

Firmware Version :

ISP :

I have new TL-WR940N AP. today I scanned this AP with nmap and it has
multiple opened ports. when I am connecting to my AP with ssh client it prompts password.
it's normal or vulnerability???

Firmware Version:	3.16.9 Build 150312 Rel.59597n
Hardware Version:	WR940N v3/WR941ND v6 00000000

PORT STATE SERVICE
22/tcp open ssh
25/tcp open smtp
80/tcp open http
110/tcp open pop3
119/tcp open nntp
143/tcp open imap
465/tcp open smtps
514/tcp filtered shell
563/tcp open snews
587/tcp open submission
993/tcp open imaps
995/tcp open pop3s