CVE-2020-22079: Tendacn AC10U Firmware

Critical severity, CVSS 9.8. EPSS: 4.2% chance of exploitation in the next 30 days.

Stack-based buffer overflow in Tenda AC-10U AC1200 Router US_AC10UV1.0RTL_V15.03.06.48_multi_TDE01 allows remote attackers to execute arbitrary code via the timeZone parameter to goform/SetSysTimeCfg.

Affected products

• Tendacn AC10U Firmware: version 15.03.06.48_multi_tde01 only
• Tendacn AC9 Firmware: version 15.03.05.19(6318) only; version 15.03.06.42_multi only

Published 2021-10-29. Last modified 2026-06-17.