Description
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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Zyxel | NBG6818 series firmware | 1.00(ABSC.0)C0 through 1.00(ABSC.4)C0 | — |
| Zyxel | NBG7815 series firmware | 1.00(ABSK.0)C0 through 1.00(ABSK.6)C0 | — |
| Zyxel | WSQ20 series firmware | 1.00(ABOF.0)C0 through 1.00(ABOF.10)C0 | — |
| Zyxel | WSQ50 series firmware | 1.00(ABKJ.0)C0 through 2.20(ABKJ.6)C0 | — |
| Zyxel | WSQ60 series firmware | 1.00(ABND.0)C0 through 2.20(ABND.7)C0 | — |
| Zyxel | WSR30 series firmware | 1.00(ABMY.0)C0 through 1.00(ABMY.11)C0 | — |