CVE-2021-21730: ZTE Zxhn h168n Firmware

Critical severity, CVSS 9.8. EPSS: 1% chance of exploitation in the next 30 days.

A ZTE product is impacted by improper access control vulnerability. The attacker could exploit this vulnerability to access CLI by brute force attacks.This affects: ZXHN H168N V3.5.0_TY.T6

Affected products

• ZTE Zxhn h168n Firmware: version 3.5.0_ty.t6 only

Published 2021-04-13. Last modified 2026-06-17.