Headline

CVE-2022-27645: ZDI-22-522

This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of NETGEAR R6700v3 1.0.4.120_10.0.91 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within readycloud_control.cgi. The issue results from incorrect string matching logic when accessing protected pages. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-15762.

1 year ago

CVE

Open in Source

#vulnerability #auth

March 23rd, 2022

(Pwn2Own) NETGEAR R6700v3 readycloud_control.cgi Authentication Bypass Vulnerability****ZDI-22-522
ZDI-CAN-15762

CVE ID

CVE-2022-27645

CVSS SCORE

8.8, (AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

AFFECTED VENDORS

NETGEAR

AFFECTED PRODUCTS

R6700v3

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 incorrect string matching logic when accessing protected pages. 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

SolarWinds Platform was susceptible to the Deserialization of Untrusted Data. This vulnerability allows a remote adversary with Orion admin-level account access to SolarWinds Web Console to execute arbitrary commands.