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Date: Mon, 02 May 2022 12:13:18 +0000
From: Minh-Khoa Tran <khoa@...teo.de>
To: fulldisclosure@...lists.org
Subject: [FD] Multiple Vulnerabilities in Ruijie RG-EW Series Routers

Advisory: Multiple Vulnerabilities in Ruijie RG-EW Series Routers

=======
Summary
=======

Multiple vulnerabilities was found in Ruijie RG-EW Series Routers from
Ruijie Networks, including 1 pre-authenticated and 5 post-authenticated
Remote Code Execution (RCE).

==============
CVE-2021-43159
==============

## Description

A Remote Code Execution (RCE) vulnerability exists in Ruijie Networks
Ruijie RG-EW Series Routers up to ReyeeOS 1.55.1915 / EW_3.0(1)B11P55
via the setSessionTime function in /cgi-bin/luci/api/common.

## Details

- Type: Post-authenticated RCE / Command Injection
- Discoverer: Minh Khoa of VSEC
- Affected Component:
     File: /usr/lib/lua/luci/modules/common.lua
     Function: setSessionTime
- Tested on: Ruijie RG-EW1200, Ruijie RG-EW1200G PRO

==============
CVE-2021-43160
==============

## Description

A Remote Code Execution (RCE) vulnerability exists in Ruijie Networks
Ruijie RG-EW Series Routers up to ReyeeOS 1.55.1915 / EW_3.0(1)B11P55
via the switchFastDhcp function in /cgi-bin/luci/api/diagnose.

## Details

- Type: Post-authenticated RCE / Command Injection
- Discoverer: Minh Khoa of VSEC
- Affected Component:
     File: /usr/lib/lua/luci/modules/diagnose.lua
     Function: switchFastDhcp
- Tested on: Ruijie RG-EW1200, Ruijie RG-EW1200G PRO

==============
CVE-2021-43161
==============

## Description

A Remote Code Execution (RCE) vulnerability exists in Ruijie Networks
Ruijie RG-EW Series Routers up to ReyeeOS 1.55.1915 / EW_3.0(1)B11P55
via the doSwitchApi function in /cgi-bin/luci/api/switch.

## Details
- Type: Post-authenticated RCE / Command Injection
- Discoverer: Minh Khoa of VSEC
- Affected Component:
     File: /usr/lib/lua/luci/modules/switch.lua
     Function: doSwitchApi
- Tested on: Ruijie RG-EW1200, Ruijie RG-EW1200G PRO

==============
CVE-2021-43162
==============

## Description

A Remote Code Execution (RCE) vulnerability exists in Ruijie Networks
Ruijie RG-EW Series Routers up to ReyeeOS 1.55.1915 / EW_3.0(1)B11P55
via the runPackDiagnose function in /cgi-bin/luci/api/diagnose.

## Details

- Type: Post-authenticated RCE / Command Injection
- Discoverer: Minh Khoa of VSEC
- Affected Component:
     File: /usr/lib/lua/luci/modules/diagnose.lua
     Function: runPackDiagnose
- Tested on: Ruijie RG-EW1200, Ruijie RG-EW1200G PRO

==============
CVE-2021-43163
==============

## Description

A Remote Code Execution (RCE) vulnerability exists in Ruijie Networks
Ruijie RG-EW Series Routers up to ReyeeOS 1.55.1915 / EW_3.0(1)B11P55
via the checkNet function in /cgi-bin/luci/api/auth.

## Details

- Type: Pre-authenticated RCE / Command Injection
- Discoverer: Minh Khoa of VSEC
- Affected Component:
     File: /usr/lib/lua/luci/modules/noauth.lua
     Function: checkNet
- Tested on: Ruijie RG-EW1200, Ruijie RG-EW1200G PRO

==============
CVE-2021-43164
==============

## Description

A Remote Code Execution (RCE) vulnerability exists in Ruijie Networks
Ruijie RG-EW Series Routers up to ReyeeOS 1.55.1915 / EW_3.0(1)B11P55
via the updateVersion function in /cgi-bin/luci/api/wireless.

## Details

- Type: Post-authenticated RCE / Command Injection
- Discoverer: Minh Khoa of VSEC
- Affected Component:
     File: /usr/lib/lua/luci/modules/wireless.lua
     Function: updateVersion
- Tested on: Ruijie RG-EW1200, Ruijie RG-EW1200G PRO

-- 
Khoa
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