What is the severity of ZDI-19-866?

The severity of ZDI-19-866 is considered high due to the ability for network-adjacent attackers to bypass authentication.

How do I fix ZDI-19-866?

To fix ZDI-19-866, ensure that you update the NETGEAR AC1200 Smart WiFi Router to the latest firmware provided by the vendor.

Who is affected by ZDI-19-866?

Users of the NETGEAR AC1200 Smart WiFi Router are affected by ZDI-19-866.

Can ZDI-19-866 be exploited remotely?

ZDI-19-866 requires network-adjacent access, meaning the attacker needs to be on the same local network to exploit it.

What type of attacks can ZDI-19-866 facilitate?

ZDI-19-866 can facilitate unauthorized access to devices, allowing attackers to bypass authentication and potentially gain control.

Vulnerability/
ZDI-19-866

critical

9.4

5/8/2024

ZDI-19-866: 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	Affected Version	How to fix
NETGEAR AC1200

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Reference Links

https://www.zerodayinitiative.com/advisories/ZDI-19-866/

Frequently Asked Questions

What is the severity of ZDI-19-866?
The severity of ZDI-19-866 is considered high due to the ability for network-adjacent attackers to bypass authentication.
How do I fix ZDI-19-866?
To fix ZDI-19-866, ensure that you update the NETGEAR AC1200 Smart WiFi Router to the latest firmware provided by the vendor.
Who is affected by ZDI-19-866?
Users of the NETGEAR AC1200 Smart WiFi Router are affected by ZDI-19-866.
Can ZDI-19-866 be exploited remotely?
ZDI-19-866 requires network-adjacent access, meaning the attacker needs to be on the same local network to exploit it.
What type of attacks can ZDI-19-866 facilitate?
ZDI-19-866 can facilitate unauthorized access to devices, allowing attackers to bypass authentication and potentially gain control.

agent/type
agent/softwarecombine
collector/zdi-advisory
source/ZDI
alias/ZDI-19-866
alias/ZDI-CAN-8616
alias/CVE-2019-17137
agent/software-canonical-lookup
agent/title
agent/references
agent/severity
agent/description
agent/tags
agent/event
agent/source
vendor/netgear
canonical/netgear ac1200

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Frequently Asked Questions

What is the severity of ZDI-19-866?
The severity of ZDI-19-866 is considered high due to the ability for network-adjacent attackers to bypass authentication.
How do I fix ZDI-19-866?
To fix ZDI-19-866, ensure that you update the NETGEAR AC1200 Smart WiFi Router to the latest firmware provided by the vendor.
Who is affected by ZDI-19-866?
Users of the NETGEAR AC1200 Smart WiFi Router are affected by ZDI-19-866.
Can ZDI-19-866 be exploited remotely?
ZDI-19-866 requires network-adjacent access, meaning the attacker needs to be on the same local network to exploit it.
What type of attacks can ZDI-19-866 facilitate?
ZDI-19-866 can facilitate unauthorized access to devices, allowing attackers to bypass authentication and potentially gain control.