TOTOLINK LR350 sub_422880 function stack buffer overflow vulnerability

TOTOLINK LR350 is a 4GLTE wireless router from China's Gion Electronics TOTOLINK that supports converting 4G signals to wired signals for home and office scenarios. The TOTOLINK LR350 suffers from a stack buffer overflow vulnerability, which stems from the failure of the ssid parameter in the...

CVE-2025-63465

Totolink LR350 v9.3.5u.6369_B20220309 is affected by a stack overflow in the sub_422880 function’s handling of the ssid parameter, enabling a crafted request to cause a Denial of Service (DoS). Multiple sources (CNVD-2025-27567, RH:CVE-2025-63465, NVD/CVELIST) confirm the vulnerability and its Do...