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Statement About the Remote Code Execution Vulnerability in Some EG/NBR Series Gateways

Released on: July 24, 2023
Updated on: Aug 11, 2023

Vulnerability Description

A remote code execution vulnerability exists in the EWEB management system of some gateway products of Ruijie Networks. Attackers may exploit this vulnerability to obtain access rights using front-end codes, and conduct attacks after controlling a device.


Affected Products and Versions

The following table lists affected product models and versions.

Affected Model Affected Version
RG-EG2100-P V2
Versions earlier than RGOS 11.9(1)B11S3, Release(07242723)

Double-click the image to view the complete spreadsheet.


Vulnerability Level

CVSS: 10.0/AV:N/AC:L/Au:N/C:C/I:C/A:C



Upgrade the device to EG_RGOS 11.9(1)B11S3, Release(07242723) or a later version. You are advised to upgrade it to EG_RGOS 11.9(6)B17, the latest version on the official website.

Version download link:

Ensure that access control is properly set to restrict web management permissions and allow access only from specified trusted IP addresses. Change web management, VPN, SSH, and Telnet passwords.



1.Restrict intranet and extranet access to the EWEB management system of the device.


Alternatively, run the following commands on the CLI:



security deny lan-web

security deny wan-web

security web permit ( is configured as the management IP address.)

security deny wan tcp port 2060     

security deny wan tcp port 2061

security deny wan tcp port 20097



2.Change the password to a strong password.


3.Disable local server authentication and screen mirroring, and verify the configurations on the EWEB management system.


Alternatively, run the following commands on the CLI:

no app-auth local-auth enable   --Disable authentication.

no app-auth enable             --Disable authentication.

no upnp-proxy enable          --Disable screen mirroring.


Service Support

If you have any questions, contact technical support at


Vulnerability Response Mechanism

Ruijie PSIRT addresses the reported potential vulnerabilities in accordance with the vulnerability handling process. Learn More

Vulnerability Reporting

Security vulnerability reporters can submit potential security vulnerabilities to Ruijie PSIRT mailbox. Learn More

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