Netgear RAX30 fing_dil stack-based overflow

Summaryinfo

A vulnerability classified as critical has been found in Netgear RAX30. This vulnerability affects the function fing_dil. This manipulation causes stack-based overflow. This vulnerability is handled as CVE-2023-51635. The attack can only be done within the local network. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Netgear RAX30 (version now known). It has been declared as critical. Affected by this vulnerability is the function fing_dil. The manipulation with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

NETGEAR RAX30 fing_dil Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR RAX30 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within fing_dil service. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-19843.

The advisory is shared at zerodayinitiative.com. This vulnerability is known as CVE-2023-51635 since 12/20/2023. The exploitation appears to be easy. Access to the local network is required for this attack to succeed. The exploitation doesn't need any form of authentication. 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).

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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Entryinfo

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

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