When will Cox isp push down new firmware for N450 cable/modem version V3.01.16

N450 (CG3000DV2) Firmware Version V3.01.14 per router netgear genie 3/30/2018 kb.netgear.com/.../What-s-the-latest-firmware-version-of-my-NETGEAR-cable-modem-or-modem-router Cox (Approved Firmware) V3.01.16 per cox I received email from NETGEAR Security We've improved your security. Please download the latest firmware to stay up-to-date. kb.netgear.com/.../What-s-the-latest-firmware-version-of-my-NETGEAR-cable-modem-or-modem-router firmware version currently on our netgear N450 is V3.01.14 per router netgear genie 3/30/2018 please let know when cox isp will push down the Cox (Approved Firmware) V3.01.16