Zte Zxhn F670l Epon Firmware Exclusive Better Jun 2026

| Version | Key Fixes/Features | |---------|---------------------| | | Initial EPON stable – basic IGMP snooping | | P12T25 | Fixed WiFi 5GHz DFS channel hang, added IPv6 firewall | | P13T27 | OMCI performance +30%, fixed VLAN tagging on LAN4 | | P14T30 | Security patch for CVE-2023-3458 (Telnet backdoor), added WPA3 |