A vulnerability was found in Ruijie RG-EW1200G PRO, RG-EW1800GX PRO and RG-EW3200GX PRO EW_3.0(1)B11P204. It has been declared as critical. Affected by this vulnerability is the function runPackDiagnose of the file diagnose.lua. The manipulation of the argument data.ip/data.protocal/data.iface/data.package with an unknown input leads to a command injection vulnerability. The CWE definition for the vulnerability is CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

RG-EW1200G PRO Wireless Routers EW_3.0(1)B11P204, RG-EW1800GX PRO Wireless Routers EW_3.0(1)B11P204, and RG-EW3200GX PRO Wireless Routers EW_3.0(1)B11P204 were discovered to contain multiple command injection vulnerabilities via the data.ip, data.protocal, data.iface and data.package parameters in the runPackDiagnose function of diagnose.lua.

The weakness was published 03/27/2023. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2023-27796 since 03/05/2023. Technical details and also a public exploit are known. The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

It is possible to download the exploit at github.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Productinfo

Vendor

• Ruijie

Name

• RG-EW1200G PRO
• RG-EW1800GX PRO
• RG-EW3200GX PRO

Version

• EW_3.0(1)B11P204

CPE 2.3info

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CPE 2.2info

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