CVE-2023-40899: Tenda AC8 Firmware

Critical severity, CVSS 9.8. EPSS: 0.9% chance of exploitation in the next 30 days.

Tenda AC8 v4 US_AC8V4.0si_V16.03.34.06_cn was discovered to contain a stack overflow via parameter macFilterType and parameter deviceList at /goform/setMacFilterCfg.

Affected products

• Tenda AC8 Firmware: version 16.03.34.06 only

Published 2023-08-24. Last modified 2026-06-17.