CVE-2018-16333: Tendacn AC10 Firmware

High severity, CVSS 7.5. EPSS: 1.7% chance of exploitation in the next 30 days.

An issue was discovered on Tenda AC7 V15.03.06.44_CN, AC9 V15.03.05.19(6318)_CN, AC10 V15.03.06.23_CN, AC15 V15.03.05.19_CN, and AC18 V15.03.05.19(6318)_CN devices. There is a buffer overflow vulnerability in the router's web server. While processing the ssid parameter for a POST request, the value is directly used in a sprintf call to a local variable placed on the stack, which overrides the return address of the function, causing a buffer overflow.

Affected products

• Tendacn AC10 Firmware: version 15.03.06.23 only
• Tendacn AC15 Firmware: version 15.03.05.19 only
• Tendacn AC18 Firmware: up to and including 15.03.05.19
• Tendacn AC7 Firmware: version 15.03.06.44 only
• Tendacn AC9 Firmware: version 15.03.05.19 only

Published 2018-09-02. Last modified 2026-06-17.