CVE-2020-9279: Critical severity d-link dsl-2640b firmware vulnerability

Published Apr 20, 2020
·
Updated

An issue was discovered on D-Link DSL-2640B B2 EU4.01B devices. A hard-coded account allows management-interface login with high privileges. The logged-in user can perform critical tasks and take full control of the device.

Affected Software

2 affected components
Dlink Dsl-2640b Firmware=eu_4.01b
Dlink Dsl-2640b

Event History

Apr 20, 2020
CVE Published
via MITRE·10:41 PM
Data Sourced
via MITRE·10:41 PM
Description

Frequently Asked Questions

1

What is the severity of CVE-2020-9279?

CVE-2020-9279 is considered a critical vulnerability due to the presence of a hard-coded account that allows for unauthorized high-privilege access.

2

How do I fix CVE-2020-9279?

To mitigate CVE-2020-9279, ensure you update the D-Link DSL-2640B to the latest firmware version that addresses this vulnerability.

3

Who is affected by CVE-2020-9279?

The vulnerability CVE-2020-9279 specifically affects D-Link DSL-2640B devices running firmware version eu_4.01b.

4

What actions can an attacker perform due to CVE-2020-9279?

An attacker exploiting CVE-2020-9279 can gain full control of the D-Link DSL-2640B device and perform critical management tasks.

5

Is there a known exploit for CVE-2020-9279?

Yes, there are known exploit scenarios for CVE-2020-9279 that leverage the hard-coded account to gain unauthorized access.

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