What is the severity of ZDI-CAN-9471?

The severity of ZDI-CAN-9471 is critical due to the potential for authentication bypass.

How do I fix ZDI-CAN-9471?

To fix ZDI-CAN-9471, update your D-Link routers to the latest firmware version released by D-Link.

Which devices are affected by ZDI-CAN-9471?

ZDI-CAN-9471 affects D-Link DIR-867, DIR-878, and DIR-882 routers.

Who can exploit ZDI-CAN-9471?

ZDI-CAN-9471 can be exploited by network-adjacent attackers without any authentication requirements.

What type of vulnerability is ZDI-CAN-9471?

ZDI-CAN-9471 is an authentication bypass vulnerability affecting specific D-Link routers.

Vulnerability/
ZDI-CAN-9471

high

8.8

4/8/2024

ZDI-CAN-9471: D-Link Multiple Routers HNAP strncmp Incorrect Comparison Authentication Bypass Vulnerability

This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-867, DIR-878, and DIR-882 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of HNAP login requests. The issue results from the lack of proper handling of empty passwords. An attacker can leverage this vulnerability to execute arbitrary code on the router.

Affected Software	Affected Version	How to fix
D-Link Multiple Routers

Never miss a vulnerability like this again

Reference Links

Frequently Asked Questions

What is the severity of ZDI-CAN-9471?
The severity of ZDI-CAN-9471 is critical due to the potential for authentication bypass.
How do I fix ZDI-CAN-9471?
To fix ZDI-CAN-9471, update your D-Link routers to the latest firmware version released by D-Link.
Which devices are affected by ZDI-CAN-9471?
ZDI-CAN-9471 affects D-Link DIR-867, DIR-878, and DIR-882 routers.
Who can exploit ZDI-CAN-9471?
ZDI-CAN-9471 can be exploited by network-adjacent attackers without any authentication requirements.
What type of vulnerability is ZDI-CAN-9471?
ZDI-CAN-9471 is an authentication bypass vulnerability affecting specific D-Link routers.

agent/references
agent/softwarecombine
collector/zdi-advisory
source/ZDI
alias/ZDI-20-268
alias/ZDI-CAN-9471
alias/CVE-2020-8864
agent/software-canonical-lookup
agent/severity
agent/title
agent/type
agent/description
agent/event
agent/tags
agent/source
vendor/d-link
canonical/d-link multiple routers

Company

Resources

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.

Frequently Asked Questions

What is the severity of ZDI-CAN-9471?
The severity of ZDI-CAN-9471 is critical due to the potential for authentication bypass.
How do I fix ZDI-CAN-9471?
To fix ZDI-CAN-9471, update your D-Link routers to the latest firmware version released by D-Link.
Which devices are affected by ZDI-CAN-9471?
ZDI-CAN-9471 affects D-Link DIR-867, DIR-878, and DIR-882 routers.
Who can exploit ZDI-CAN-9471?
ZDI-CAN-9471 can be exploited by network-adjacent attackers without any authentication requirements.
What type of vulnerability is ZDI-CAN-9471?
ZDI-CAN-9471 is an authentication bypass vulnerability affecting specific D-Link routers.