ZDI-21-1051: 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
Event History
Frequently Asked Questions
What is the severity of ZDI-21-1051?
The severity of ZDI-21-1051 is considered critical due to the ability for network-adjacent attackers to bypass authentication without any prior authentication requirements.
How do I fix ZDI-21-1051?
To mitigate ZDI-21-1051, it is essential to update your NETGEAR router firmware to the latest version that addresses this vulnerability.
Which NETGEAR routers are affected by ZDI-21-1051?
ZDI-21-1051 affects multiple models of NETGEAR routers that utilize the mini_httpd service.
What are the implications of ZDI-21-1051?
The implications of ZDI-21-1051 include unauthorized access to the router settings by attackers, potentially leading to a complete compromise of the network.
Is authentication required to exploit ZDI-21-1051?
No, authentication is not required to exploit ZDI-21-1051, making it particularly dangerous for users.