TOTOLINK A7000R sub_421CF0 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 ssid5g parameter in the sub421CF0 function faili...

CVE-2025-63459

Totolink A7000R v9.1.0u.6115B20201022 was discovered to contain a stack overflow via the ssid5g parameter in the sub421CF0 function. This vulnerability allows attackers to cause a Denial of Service DoS via a crafted request...

PT-2025-44655

Name of the Vulnerable Software and Affected Versions Totolink A7000R version 9.1.0u.6115 B20201022 Description The Totolink A7000R device has a stack overflow issue. This occurs through the ssid5g parameter within the sub 421CF0 function. A specially crafted request can trigger this, leading to ...