(Pwn2Own) NETGEAR R6700v3 readycloud_control.cgi Authentication Bypass Vulnerability
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)