Netgear RAX30 libcms_cli command injection

Summaryinfo

A vulnerability marked as critical has been reported in Netgear RAX30. Affected by this issue is the function libcms_cli. This manipulation causes command injection. This vulnerability appears as CVE-2023-27367. The attacker needs to be present on the local network. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Netgear RAX30 (Wireless LAN Software) (the affected version is unknown). It has been declared as critical. Affected by this vulnerability is the function libcms_cli. The manipulation with an unknown input leads to a command injection vulnerability. The CWE definition for the vulnerability is CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

NETGEAR RAX30 libcms_cli Command Injection Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR RAX30 routers. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the libcms_cli module. The issue results from the lack of proper validation of a user-supplied command 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-19838.

The weakness was presented 05/02/2023. The advisory is shared at zerodayinitiative.com. This vulnerability is known as CVE-2023-27367 since 02/28/2023. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/03/2025). MITRE ATT&CK project uses the attack technique T1202 for this issue.

Upgrading eliminates this vulnerability. The upgrade is hosted for download at kb.netgear.com.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Wireless LAN Software

Vendor

• Netgear

Name

• RAX30

License

• commercial

Website

• Vendor: https://www.netgear.com/

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CPE 2.2info

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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