ZTE ZXDSL 831CII Improper Access Restrictions

2017.11.28
Credit: Ibad Shah
Risk: Medium
Local: No
Remote: Yes
CWE: CWE-287


CVSS Base Score: 5/10
Impact Subscore: 2.9/10
Exploitability Subscore: 10/10
Exploit range: Remote
Attack complexity: Low
Authentication: No required
Confidentiality impact: None
Integrity impact: Partial
Availability impact: None

# Exploit Title: ZTE ZXDSL 831 Unauthorized Configuration Access # Date: 27/11/2017 # Exploit Author: Ibad Shah # Vendor Homepage: zte.com.cn # Software Link: - # Version: - ZXDSL - 831CII # Tested on: Windows 10 # CVE :- 2017-16953 ======================================= The Router usually servers html files & are protected with HTTP Basic Authentication. However, the CGI files does not protect this file from getting exposed to public. A Simple GET request would be needed to made to router that would give a remote attacker an opportunity to modify router PPPoE configurations, setup malicious configurations which later could lead to disrupt network & its activities. Proof Of Concept ================ http://192.168.1.1/connoppp.cgi


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