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(Pwn2Own) NETGEAR Nighthawk R7800 ready-genie-cloud Insecure Download of Critical Component Remote Code Execution Vulnerability

February 24th, 2021

Vulnerability Details

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR Nighthawk R7800. Authentication is not required to exploit this vulnerability

The specific flaw exists within handling of firmware updates. The issue results from a fallback to a insecure protocol to deliver updates. An attacker can leverage this vulnerability to execute code in the context of root.

Additional Details

NETGEAR has issued an update to correct this vulnerability. More details can be found at:
https://kb.netgear.com/000062883/Security-Advisory-for-Multiple-Vulnerabilities-on-Some-Routers-Satellites-and-Extenders

Disclosure Timeline

  • 2020-11-05 - Vulnerability reported to vendor
  • 2021-02-24 - Coordinated public release of advisory
  • 2021-02-24 - Advisory Updated

Credit

Team FLASHBACK: Pedro Ribeiro (@pedrib1337 | pedrib@gmail.com) + Radek Domanski (@RabbitPro)

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