The vulnerability of the sub_421CF0() function in TOTOLINK A7000R router microprogramming software allows a intruder to cause a service failure.

The vulnerability of the sub421CF0 function in TOTOLINK A7000R router microprogramming software is related to buffer overflow in the stack. Exploiting this vulnerability can allow an attacker to cause a service failure...

CVE-2025-63459

The Totolink A7000R wireless router (specifically version v9.1.0u.6115_B20201022 ) is vulnerable to a stack buffer overflow in the sub_421CF0 function. The root cause is a failure to properly validate the length of the input data provided via the ssid5g parameter. An attacker can exploit this by ...