CVE-2023-40847: Tenda AC6 Firmware

Critical severity, CVSS 9.8. EPSS: 0.7% chance of exploitation in the next 30 days.

Tenda AC6 US_AC6V1.0BR_V15.03.05.16_multi_TD01.bin is vulnerable to Buffer Overflow via the function "initIpAddrInfo." In the function, it reads in a user-provided parameter, and the variable is passed to the function without any length check.

Affected products

• Tenda AC6 Firmware: version 15.03.05.16 only

Published 2023-08-30. Last modified 2026-06-17.