CVE-2025-70252: Tenda AC6 Firmware

High severity, CVSS 7.5. EPSS: 0.5% chance of exploitation in the next 30 days.

An issue was discovered in /goform/WifiWpsStart in Tenda AC6V2.0 V15.03.06.23_multi. The index and mode are controllable. If the conditions are met to sprintf, they will be spliced into tmp. It is worth noting that there is no size check,which leads to a stack overflow vulnerability.

Affected products

• Tenda AC6 Firmware: version 15.03.06.23_multi only

Published 2026-03-02. Last modified 2026-06-17.