CVE-2026-36778

The Tenda O3 Wireless Router v1.0.0.5(4180) contains a stack overflow in the ip parameter of the fromNetToolGet function. An attacker can exploit this vulnerability by sending an HTTP request, leading to a Denial of Service (DoS).

Tenda O3 Wireless Router v1.0.0.5(4180) has a stack overflow in the domain parameter of the fromNetToolGet function. This allows an attacker to cause a Denial of Service (DoS) via a crafted HTTP request.

Tenda O3 Wireless Router v1.0.0.5(4180) has multiple stack overflows in the fromVirtualSer function via parameters puVar2, puVar1, __s2, __s1_00, and puVar3. This allows an attacker to cause a Denial of Service (DoS) via a crafted HTTP request.

A stack-based buffer overflow vulnerability was detected in Tenda O3 in the SetValue/GetValue function of /goform/setVlanConfig, caused by manipulation of the lan argument. The attack can be launched remotely, and the exploit has been publicly disclosed.

A vulnerability was identified in Tenda O3 1.0.0.10(2478). Affected by this vulnerability is the function SetValue/GetValue of the file /goform/AdvSetLanip. The manipulation of the argument lanIp leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit is publicly available and might be used.