If you cannot get a patched firmware, replace the device. A $50 router from a reputable brand (or a community-supported OpenWrt device) is far cheaper than the cost of a ransomware attack or identity theft that starts with a compromised edge router.
The exploit takes advantage of a weakness in the device's web management interface, which allows an attacker to inject malicious commands and execute them with elevated privileges. Specifically, the vulnerability is caused by: zte f680 exploit
If you are managing these devices, prioritize these defensive measures: If you cannot get a patched firmware, replace the device
GPON Gateway, be aware of several high-severity security flaws that could compromise your network. Security researchers have identified vulnerabilities ranging from parameter tampering to cross-site scripting (XSS). 🚩 Key Vulnerabilities prioritize these defensive measures: GPON Gateway