Body Background
TrendAI™ Zero Day Initiative™ Logo

(Pwn2Own) NETGEAR R6700v3 readycloud_control.cgi Authentication Bypass Vulnerability

March 23rd, 2022

Vulnerability Details

This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of NETGEAR R6700v3 routers. Authentication is not required to exploit this vulnerability.

The specific flaw exists within readycloud_control.cgi. The issue results from the lack of authentication prior to allowing access to functionality. 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/000064722/Security-Advisory-for-Sensitive-Information-Disclosure-on-Some-Routers-and-Fixed-Wireless-Products-PSV-2021-0325

Disclosure Timeline

  • 2021-12-01 - Vulnerability reported to vendor
  • 2022-03-23 - Coordinated public release of advisory

Credit

Xin'an Zhou, Xiaochen Zou, Zhiyun Qian (from the team NullRiver)

Back to Advisories

Hero Background

Stand at the front line of proactive security

Trend ZDI connects the experts who discover, remediate, and defend.
Add your voice to the work that pushes attackers back.