D-Link DIR-2640 PrefixLen command injection

Summaryinfo

A vulnerability was found in D-Link DIR-2640. It has been declared as critical. This impacts an unknown function. Executing a manipulation of the argument PrefixLen can lead to command injection. The identification of this vulnerability is CVE-2023-32150. The attack needs to be done within the local network. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in D-Link DIR-2640 (Router Operating System) (version now known). It has been declared as critical. This vulnerability affects some unknown processing. The manipulation of the argument PrefixLen 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. CVE summarizes:

D-Link DIR-2640 PrefixLen Command Injection Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DIR-2640 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 PrefixLen parameter provided to the HNAP1 endpoint. 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-19547.

The weakness was shared 05/05/2023. The advisory is available at zerodayinitiative.com. This vulnerability was named CVE-2023-32150 since 05/03/2023. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1202 by the MITRE ATT&CK project.

Upgrading eliminates this vulnerability.

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Productinfo

Type

• Router Operating System

Vendor

• D-Link

Name

• DIR-2640

License

• commercial

Website

• Vendor: https://www.dlink.com/

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CPE 2.2info

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Entryinfo

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