TOTOLINK A7000R sub_421A04 function stack buffer overflow vulnerability

TOTOLINK A7000R is a wireless router from China's Gion Electronics TOTOLINK that supports WiFi7 technology for home or small business network environments. The TOTOLINK A7000R suffers from a stack buffer overflow vulnerability, which stems from the failure of the wifiOff parameter in the sub421A0...

CVE-2025-63462

Totolink A7000R is affected by a stack overflow in the sub_421A04 function caused by improper validation of the wifiOff parameter. The vulnerability allows a crafted request to trigger a Denial of Service (DoS). Affected product/version: Totolink A7000R v9.1.0u.6115_B20201022. Root cause: stack o...