Tenda AC8 vulnerabilities

A critical vulnerability was found in Tenda AC8 version 16.03.34.06_cn_TDC01 in the formSetDeviceName function, leading to stack-based buffer overflow. The vulnerability can be exploited remotely.

The Tenda AC8 v4 device has a stack overflow vulnerability due to improper handling of the parameter list at the endpoint /goform/SetStaticRouteCfg.

A buffer overflow vulnerability in the UPnP service of Tenda AC8 hardware version v03.03.10.01 allows an attacker to cause a Denial of Service (DoS) by sending a crafted packet.

A weakness has been identified in Tenda AC8 16.03.34.06. The affected element is the function formSetServerConfig of the file /goform/SetServerConfig. Executing manipulation can lead to buffer overflow. It is possible to launch the attack remotely. The exploit has been made available to the public and could be exploited.

In the Tenda AC8 v4.0 AC1200 Dual-band Gigabit Wireless Router with firmware 16.03.33.05, the root password is calculated from a static string and the last two octets of the device MAC address. This allows an unauthenticated attacker to authenticate with network services on the device.