OpenVPN Certificate is outdated - Not After : Nov 18 2024 GMT

OpenVPN failed to access my netgear router today. I updated the firmware and reload the crt files, but can not resolved. It seems that the certificate is outdated on Nov 18 2024. ## my openvpn log error VERIFY ERROR: depth=1, error=certificate has expired: C=TW, ST=TW, L=Taipei, O=netgear, OU=netgear, CN=netgear, emailAddress=mail@netgear.com ## my netgear env Hardware Version R7000 Firmware Version V1.0.12.216_10.2.122 ## the latest client.crt Validity Not Before: Nov 21 14:57:03 2014 GMT Not After : Nov 18 14:57:03 2024 GMT How to resolve this issue?