CVE-2025-66315: ZTE MF258K Pro Firmware

High severity, CVSS 8.8. EPSS: 0.3% chance of exploitation in the next 30 days.

There is a configuration defect vulnerability in the version server of ZTE MF258K Pro products. Due to improper directory permission settings, an attacker can execute write permissions in a specific directory.

Affected products

• ZTE MF258K Pro Firmware: version zte_mf258kpro_play_v1.0.0b03 only; version zte_mf258pro_std_v1.0.0b04 only

Published 2026-01-09. Last modified 2026-06-17.