CVE-2021-21729: ZTE Zxhn h108n Firmware

Medium severity, CVSS 6.5. EPSS: 0.4% chance of exploitation in the next 30 days.

Some ZTE products have CSRF vulnerability. Because some pages lack CSRF random value verification, attackers could perform illegal authorization operations by constructing messages.This affects: ZXHN H168N V3.5.0_EG1T5_TE, V2.5.5, ZXHN H108N V2.5.5_BTMT1

Affected products

• ZTE Zxhn h108n Firmware: version 2.5.5_btmt1 only
• ZTE Zxhn h168n Firmware: version 3.5.0_eg1t5_te only

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