## Zyxel Authentication Bypass Vulnerability (CVE-2022-0342)

|   **Vulnerability**  | **Zyxel Authentication Bypass Vulnerability (CVE-2022-0342)**  |
| :----:   | :-----|
|  **Chinese name**  | Zyxel 认证绕过漏洞 (CVE-2022-0342) |
| **CVSS core**  | 9.8 |
| **FOFA Query**  (click to view the results directly)| [body="/2FA-access.cgi" && body="zyxel zyxel_style1"](https://fofa.info/result?qbase64=Ym9keT0iLzJGQS1hY2Nlc3MuY2dpIiAmJiBib2R5PSJ6eXhlbCB6eXhlbF9zdHlsZTEi) |
| **Number of assets affected**  | 6806 |
| **Description**  | Zyxel USG/ZyWALL is a firewall of China Zyxel Technology (Zyxel). Zyxel USG/ZyWALL 4.20 to 4.70, USG FLEX 4.50 to 5.20, ATP 4.32 to 5.20, VPN 4.30 to 5.20, NSG 1.20 to 1.33 Patch 4 have security vulnerabilities, which can be exploited by attackers to circumvent Authenticate over the web and gain administrative access to the device. |
| **Impact** | Attackers can control the entire system through unauthorized access vulnerabilities, and ultimately lead to an extremely insecure state of the system. |

![](https://s3.bmp.ovh/imgs/2023/04/01/ca2c23fcafe64c05.gif)