CVE-2023-40942: Tendacn AC9 Firmware

Critical severity, CVSS 9.8. EPSS: 0.8% chance of exploitation in the next 30 days.

Tenda AC9 V3.0BR_V15.03.06.42_multi_TD01 was discovered stack overflow via parameter 'firewall_value' at url /goform/SetFirewallCfg.

Affected products

• Tendacn AC9 Firmware: version 15.03.06.42_multi_td0 only

Published 2023-09-07. Last modified 2026-06-17.