Summaryinfo

A vulnerability was found in D-Link DIR-2640. It has been declared as critical. The affected element is an unknown function. Such manipulation of the argument LocalIPAddress leads to command injection. This vulnerability is referenced as CVE-2023-32147. The attack needs to be initiated within the local network. No exploit is available. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Detailsinfo

A vulnerability, which was classified as critical, has been found in D-Link DIR-2640 (Router Operating System) (version now known). Affected by this issue is some unknown processing. The manipulation of the argument LocalIPAddress with an unknown input leads to a command injection vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. CVE summarizes:

D-Link DIR-2640 LocalIPAddress 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 LocalIPAddress 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-19544.

The weakness was published 05/05/2023. The advisory is shared for download at zerodayinitiative.com. This vulnerability is handled as CVE-2023-32147 since 05/03/2023. 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 09/18/2024). 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.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• Router Operating System

Vendor

• D-Link

Name

• DIR-2640

License

• commercial

Website

• Vendor: https://www.dlink.com/

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