ZDI-CAN-8616: NETGEAR AC1200 mini_httpd Poison Null Byte Authentication Bypass Vulnerability

This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of NETGEAR AC1200 Smart WiFi Router. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of path strings. By inserting a null byte into the path, the user can skip most authentication checks. An attacker can leverage this vulnerability to bypass authentication on the system.

Affected Software

1 affected component
Netgear AC1200

Event History

Aug 5, 2024
Advisory Published
via ZDI·01:38 AM

Frequently Asked Questions

1

What is the severity of ZDI-CAN-8616?

The severity of ZDI-CAN-8616 is considered critical due to the ability of network-adjacent attackers to bypass authentication.

2

How do I fix ZDI-CAN-8616?

To fix ZDI-CAN-8616, update the NETGEAR AC1200 Smart WiFi Router to the latest firmware that addresses this vulnerability.

3

Who is affected by ZDI-CAN-8616?

The vulnerability ZDI-CAN-8616 affects installations of the NETGEAR AC1200 Smart WiFi Router.

4

What type of attack is ZDI-CAN-8616 vulnerable to?

ZDI-CAN-8616 is vulnerable to authentication bypass attacks from network-adjacent attackers.

5

Is authentication required to exploit ZDI-CAN-8616?

No, authentication is not required to exploit the ZDI-CAN-8616 vulnerability.

Contact

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