The vulnerability of the sub_421BAC() function in the microprogramming software of TOTOLINK LR350 allows a intruder to cause a service failure.

The vulnerability of the sub421BAC function in TOTOLINK LR350 router microprogramming software is related to buffer overflow in the stack. Exploiting this vulnerability can allow an attacker to cause a service failure...

TOTOLINK LR350 sub_421BAC 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-2025-63469: Stack-based Buffer Overflow

Totolink LR350 v9.3.5u.6369B20220309 was discovered to contain a stack overflow via the ssid parameter in the sub421BAC function. This vulnerability allows attackers to cause a Denial of Service DoS via a crafted request...