A vulnerability in specific versions of Zyxel NBG6818, NBG7815, WSQ20, WSQ50, WSQ60, and WSR30 firmware with pre-configured password management could allow an attacker to obtain root access of the device, if the local attacker dismantles the device and uses a USB-to-UART cable to connect the device, or if the remote assistance feature had been enabled by an authenticated user.
The product stores a password in a configuration file that might be accessible to actors who do not know the password.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Nbg6818_firmware | Zyxel | * | 1.00(absc.5)c0 (excluding) |