Netgear RAX30 cmsCli_authenticate stack-based overflow

Summaryinfo

A vulnerability was found in Netgear RAX30. It has been rated as critical. This issue affects the function cmsCli_authenticate. Performing a manipulation results in stack-based overflow. This vulnerability is reported as CVE-2023-34285. The attacker must have access to the local network to execute the attack. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as critical has been found in Netgear RAX30 (Wireless LAN Software) (version unknown). This affects the function cmsCli_authenticate. The manipulation with an unknown input leads to a stack-based overflow vulnerability. CWE is classifying the issue as 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). This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

NETGEAR RAX30 cmsCli_authenticate 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 a shared library used by the telnetd service, which listens on TCP port 23 by default. 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-19918.

The weakness was disclosed 06/09/2023. It is possible to read the advisory at zerodayinitiative.com. This vulnerability is uniquely identified as CVE-2023-34285 since 05/31/2023. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/03/2025).

Upgrading eliminates this vulnerability.

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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

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