CVE-2022-27645 Auth bypass in R6700v3

High 8.8 Published Updated

Network-adjacent attackers can bypass authentication on NETGEAR R6700v3 routers to execute arbitrary code with root privileges.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2022-27645?

CVE-2022-27645 is a high-severity authentication bypass vulnerability in Netgear R6400 Firmware, published on 29 Mar 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

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. Was ZDI-CAN-15762.

Weakness: CWE-697, CWE-306

Which versions are affected by CVE-2022-27645?

It affects 23 products.

Products include Netgear Lax20 Firmware, Netgear R6400 Firmware, Netgear R6700 Firmware, Netgear R7000 Firmware, Netgear R7850 Firmware, Netgear R7900p Firmware and 17 more.

How do I fix CVE-2022-27645?

No fix has been published for CVE-2022-27645 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2022-27645 being exploited?

There is no known exploitation of CVE-2022-27645 in the wild and no public exploit code.

All Netgear R6400 Firmware vulnerabilities

Sources

Also known as GHSA-jv3h-vgc4-3286.

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