Netgear R6700v3 1.0.4.120_10.0.91 libreadycloud.so name/email os command injection

Summaryinfo

A vulnerability labeled as critical has been found in Netgear R6700v3 1.0.4.120_10.0.91. Affected by this issue is some unknown functionality of the file libreadycloud.so. Executing a manipulation of the argument name/email can lead to os command injection. This vulnerability is registered as CVE-2022-27647. The attack requires access to the local network. No exploit is available.

Detailsinfo

A vulnerability has been found in Netgear R6700v3 1.0.4.120_10.0.91 (Wireless LAN Software) and classified as critical. This vulnerability affects an unknown part of the file libreadycloud.so. The manipulation of the argument name/email with an unknown input leads to a os command injection vulnerability. The CWE definition for the vulnerability is CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

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.

The weakness was published 03/30/2023 as ZDI-22-524. The advisory is shared for download at zerodayinitiative.com. This vulnerability was named CVE-2022-27647 since 03/22/2022. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 05/14/2026). The MITRE ATT&CK project declares the attack technique as T1202.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2022-32148). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• Wireless LAN Software

Vendor

• Netgear

Name

• R6700v3

Version

• 1.0.4.120_10.0.91

License

• commercial

Website

• Vendor: https://www.netgear.com/

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Once again VulDB remains the best source for vulnerability data.

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