CWE
78
Advisory Published
Updated
Advisory Published

CVE-2022-27647: (Pwn2Own) NETGEAR R6700v3 libreadycloud.so Command Injection Remote Code Execution Vulnerability

First published: Wed Mar 29 2023(Updated: )

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R6700v3 1.0.4.120_10.0.91 routers. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the handling of the name or email field provided to libreadycloud.so. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-15874.

Credit: zdi-disclosures@trendmicro.com

Affected SoftwareAffected VersionHow to fix
NETGEAR R6700v3 firmware
NETGEAR CAX80<2.1.3.7
NETGEAR CAX80 Firmware
NETGEAR LAX20 firmware<1.1.6.34
NETGEAR LAX20
NETGEAR MR60 Firmware<1.1.6.124
NETGEAR MR60 firmware
NETGEAR MR80<1.1.6.14
NETGEAR Multiple Routers
NETGEAR MS60<1.1.6.124
NETGEAR MS60 firmware
NETGEAR MS80<1.1.6.14
NETGEAR MS80
NETGEAR R6400 firmware<1.0.1.78
NETGEAR R6400 firmware
NETGEAR R6400 firmware<1.0.4.126
NETGEAR R6400 firmware=v2
NETGEAR R6700 firmware<1.0.4.126
NETGEAR R6700v1 firmware=v3
NETGEAR R6900P firmware<1.3.3.148
Netgear R6900 Firmware
Netgear Nighthawk R7000 Firmware<1.0.11.134
NETGEAR Nighthawk R7000
NETGEAR R7000P firmware<1.3.3.148
Netgear Routers
NETGEAR R7850<1.0.5.84
NETGEAR R7850 firmware
NETGEAR R7900P firmware<1.4.3.88
NETGEAR R7900P firmware
NETGEAR R7960P firmware<1.4.3.88
NETGEAR R7960P firmware
NETGEAR R8000 firmware<1.0.4.84
NETGEAR R8000 firmware
NETGEAR R8000P<1.4.3.88
NETGEAR R8000P firmware
NETGEAR R8500<1.0.2.158
NETGEAR R8500
NETGEAR RAX15 firmware<1.0.10.110
NETGEAR RAX15 firmware
NETGEAR RAX20 firmware<1.0.10.110
NETGEAR RAX20 firmware
NETGEAR RAX200 firmware<1.0.6.138
NETGEAR RAX200 firmware
NETGEAR RAX35 firmware<1.0.10.110
Netgear RAX35=v2
NETGEAR RAX38v2 Firmware<1.0.10.110
NETGEAR RAX38v2 Firmware=v2
NETGEAR RAX40 firmware<1.0.10.110
NETGEAR RAX40 firmware=v2
NETGEAR RAX42<1.0.10.110
NETGEAR RAX42 Firmware
Netgear RAX43<1.0.10.110
Netgear RAX43
NETGEAR RAX45 firmware<1.0.10.110
NETGEAR RAX45 firmware
NETGEAR RAX48<1.0.10.110
NETGEAR RAX48 Firmware
NETGEAR RAX50<1.0.10.110
NETGEAR RAX50
NETGEAR RAX50<1.0.10.110
NETGEAR RAX50
NETGEAR RAX75 firmware<1.0.6.138
NETGEAR RAX75 firmware
NETGEAR RAX80 Firmware<1.0.6.138
NETGEAR RAX80 firmware
NETGEAR RS400 firmware<1.5.1.86
NETGEAR RS400 firmware
NETGEAR R7100LG firmware<1.0.0.76
Netgear R7100LG

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Frequently Asked Questions

  • What is the severity of CVE-2022-27647?

    CVE-2022-27647 has a high severity rating due to its potential to allow arbitrary code execution on affected NETGEAR routers.

  • How do I fix CVE-2022-27647?

    To fix CVE-2022-27647, update your NETGEAR R6700v3 router firmware to the latest version provided by NETGEAR.

  • Who is affected by CVE-2022-27647?

    CVE-2022-27647 affects installations of NETGEAR R6700v3 routers running vulnerable firmware versions.

  • Is authentication required to exploit CVE-2022-27647?

    Yes, authentication is required to exploit CVE-2022-27647, but the existing mechanism can be bypassed.

  • What products are impacted by CVE-2022-27647?

    The primary product impacted by CVE-2022-27647 is the NETGEAR R6700v3 router, among other NETGEAR routers listed in the vulnerability details.

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