ZDI-CAN-13313: NETGEAR Multiple Routers mini_httpd Authentication Bypass Vulnerability

This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of multiple NETGEAR routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the minihttpd service, which listens on TCP port 80 by default. The issue results from incorrect string matching logic when accessing protected pages. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of root.

Affected Software

1 affected component
Netgear Multiple Routers

Event History

Feb 23, 2025
Advisory Published
via ZDI·03:35 PM
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Frequently Asked Questions

1

What is the severity of ZDI-CAN-13313?

ZDI-CAN-13313 has a critical severity level due to its ability to allow unauthenticated access for network-adjacent attackers.

2

How do I fix ZDI-CAN-13313?

To fix ZDI-CAN-13313, it is recommended to update the firmware of the affected NETGEAR routers to the latest version provided by the vendor.

3

Which NETGEAR products are affected by ZDI-CAN-13313?

ZDI-CAN-13313 affects multiple NETGEAR routers that utilize the mini_httpd service on TCP port 80.

4

Can remote attackers exploit ZDI-CAN-13313?

No, remote attackers cannot exploit ZDI-CAN-13313 as it requires an attacker to be on the same network as the affected device.

5

What impact does ZDI-CAN-13313 have on system security?

ZDI-CAN-13313 allows attackers to bypass authentication, potentially leading to unauthorized access and control of the affected routers.

Contact

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