ZDI-23-627: D-Link DIR-2150 LoginPassword Incorrect Implementation of Authentication Algorithm Authentication Bypass Vulnerability

Published May 15, 2023
·
Updated

This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-2150 routers. Authentication is not required to exploit this vulnerability.

Affected Software

1 affected component
D-Link DIR-2150

Event History

May 15, 2023
Advisory Published
05:00 AM
Data Sourced
05:00 AM
Description
Feb 28, 2025
Advisory Published
via ZDI·08:41 AM

Frequently Asked Questions

1

What is the severity of ZDI-23-627?

The severity of ZDI-23-627 is considered high due to the ease of exploiting the authentication bypass vulnerability.

2

How do I fix ZDI-23-627?

To fix ZDI-23-627, update your D-Link DIR-2150 router to the latest firmware version provided by D-Link.

3

Who is affected by ZDI-23-627?

ZDI-23-627 affects users of the D-Link DIR-2150 routers with unpatched firmware installations.

4

Can ZDI-23-627 be exploited remotely?

ZDI-23-627 can only be exploited by network-adjacent attackers, meaning physical access to the network is required.

5

What type of vulnerability is ZDI-23-627?

ZDI-23-627 is an authentication bypass vulnerability in D-Link DIR-2150 routers.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203