Netgear currently recommends updating the firmware on certain Netgear products. If you own a Netgear router, please check Netgear's support site to see if your router needs a firmware update.
You can visit Tom's Guide for more details about this update. https://www.tomsguide.com/news/netgear-security-firmware-patches
Changing the admin password on your Netgear product https://kb.netgear.com/20026/How-do-I-change-the-admin-password-on-my-NETGEAR-router
Information on manually updating the firmware on your Netgear product https://kb.netgear.com/23960/How-do-I-manually-update-the-firmware-on-my-NETGEAR-router
Netgear's Customer Service number 1 (888) 638-4327