What is the severity of ZDI-21-1239?

The severity of ZDI-21-1239 is considered critical due to the ability to bypass authentication.

How do I fix ZDI-21-1239?

To fix ZDI-21-1239, update the firmware of your NETGEAR R7000 router to the latest version provided by NETGEAR.

Who is affected by ZDI-21-1239?

ZDI-21-1239 affects installations of NETGEAR R7000 routers that have not been updated with security patches.

What type of vulnerability is ZDI-21-1239?

ZDI-21-1239 is an authentication bypass vulnerability that allows network-adjacent attackers to exploit the device.

Can ZDI-21-1239 be exploited remotely?

ZDI-21-1239 cannot be exploited remotely as it requires network adjacency to the affected router.

Vulnerability/
ZDI-21-1239

high

8.8

23/2/2025

ZDI-21-1239: NETGEAR R7000 SOAP ParentalControl Authentication Bypass Vulnerability

This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of NETGEAR R7000 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of SOAP requests. The issue results from the lack of proper authentication verification before performing a password reset. An attacker can leverage this vulnerability to reset the admin password.

Affected Software	Affected Version	How to fix
NETGEAR Nighthawk R7000

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Reference Links

Frequently Asked Questions

What is the severity of ZDI-21-1239?
The severity of ZDI-21-1239 is considered critical due to the ability to bypass authentication.
How do I fix ZDI-21-1239?
To fix ZDI-21-1239, update the firmware of your NETGEAR R7000 router to the latest version provided by NETGEAR.
Who is affected by ZDI-21-1239?
ZDI-21-1239 affects installations of NETGEAR R7000 routers that have not been updated with security patches.
What type of vulnerability is ZDI-21-1239?
ZDI-21-1239 is an authentication bypass vulnerability that allows network-adjacent attackers to exploit the device.
Can ZDI-21-1239 be exploited remotely?
ZDI-21-1239 cannot be exploited remotely as it requires network adjacency to the affected router.

agent/type
agent/references
agent/severity
agent/title
agent/description
agent/source
agent/event
agent/softwarecombine
agent/tags
collector/zdi-advisory
source/ZDI
alias/ZDI-21-1239
alias/ZDI-CAN-13483
alias/CVE-2021-34977
agent/software-canonical-lookup
agent/software-canonical-lookup-request
vendor/netgear
canonical/netgear nighthawk r7000

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Frequently Asked Questions

What is the severity of ZDI-21-1239?
The severity of ZDI-21-1239 is considered critical due to the ability to bypass authentication.
How do I fix ZDI-21-1239?
To fix ZDI-21-1239, update the firmware of your NETGEAR R7000 router to the latest version provided by NETGEAR.
Who is affected by ZDI-21-1239?
ZDI-21-1239 affects installations of NETGEAR R7000 routers that have not been updated with security patches.
What type of vulnerability is ZDI-21-1239?
ZDI-21-1239 is an authentication bypass vulnerability that allows network-adjacent attackers to exploit the device.
Can ZDI-21-1239 be exploited remotely?
ZDI-21-1239 cannot be exploited remotely as it requires network adjacency to the affected router.