D-Link DIR-X3260 prog.cgi SetDeviceSettings stack-based overflow

Summaryinfo

A vulnerability was found in D-Link DIR-X3260 and classified as critical. Affected by this vulnerability is the function SetDeviceSettings of the file prog.cgi. Executing a manipulation can lead to stack-based overflow. This vulnerability is tracked as CVE-2023-51621. The attack is only possible within the local network. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in D-Link DIR-X3260 (Router Operating System) (the affected version is unknown) and classified as critical. This vulnerability affects the function SetDeviceSettings of the file prog.cgi. 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. CVE summarizes:

D-Link DIR-X3260 prog.cgi SetDeviceSettings Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DIR-X3260 routers. Authentication is required to exploit this vulnerability. The specific flaw exists within the prog.cgi binary, which handles HNAP requests made to the lighttpd webserver listening on TCP ports 80 and 443. The issue results from the lack of proper validation of a user-supplied string before copying it to a fixed-size stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-21670.

The weakness was disclosed 01/12/2024. The advisory is shared for download at zerodayinitiative.com. This vulnerability was named CVE-2023-51621 since 12/20/2023. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 11/23/2024).

Upgrading eliminates this vulnerability.

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Productinfo

Type

• Router Operating System

Vendor

• D-Link

Name

• DIR-X3260

License

• commercial

Website

• Vendor: https://www.dlink.com/

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CPE 2.2info

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Entryinfo

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