ZDI-CAN-11355: NETGEAR Multiple Routers mini_httpd Authentication Bypass Vulnerability
This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of NETGEAR R6020, R6080, R6120, R6220, R6260, R6700v2, R6800, R6900v2, R7450, JNR3210, WNR2020, Nighthawk AC2100, and Nighthawk AC2400 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the mini_httpd 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 in conjunction with other vulnerabilities to execute code in the context of root.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| NETGEAR Multiple Devices |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-CAN-11355?
The severity of ZDI-CAN-11355 is high due to its potential for authentication bypass.
How do I fix ZDI-CAN-11355?
To fix ZDI-CAN-11355, users should update their NETGEAR routers to the latest firmware version provided by NETGEAR.
What routers are affected by ZDI-CAN-11355?
ZDI-CAN-11355 affects multiple NETGEAR router models including R6020, R6080, R6120, R6220, R6260, R6700v2, R6800, R6900v2, R7450, JNR3210, WNR2020, Nighthawk AC2100, and Nighthawk AC2400.
Can ZDI-CAN-11355 be exploited remotely?
Yes, ZDI-CAN-11355 allows network-adjacent attackers to exploit the vulnerability without needing authentication.
What is the impact of ZDI-CAN-11355?
The impact of ZDI-CAN-11355 includes unauthorized access to the router's administrative functionalities.
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