ZDI-20-1176: NETGEAR Multiple Routers mini_httpd Authentication Bypass Vulnerability

This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of NETGEAR R6120, R6080, R6260, R6220, R6020, JNR3210, and WNR2020 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 disclose stored credentials, leading to further compromise.

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-20-1176?

The severity of ZDI-20-1176 is considered high due to the potential for sensitive information disclosure without authentication.

2

How do I fix ZDI-20-1176?

To fix ZDI-20-1176, update your affected NETGEAR router to the latest firmware version provided by NETGEAR.

3

Which devices are affected by ZDI-20-1176?

ZDI-20-1176 affects NETGEAR routers including the R6120, R6080, R6260, R6220, R6020, JNR3210, and WNR2020.

4

Is authentication required to exploit ZDI-20-1176?

No, authentication is not required to exploit the vulnerability ZDI-20-1176.

5

What kind of information can be disclosed due to ZDI-20-1176?

The vulnerability ZDI-20-1176 allows attackers to disclose sensitive information from the affected routers.

Contact

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