D-Link DAP-1325 SetAPLanSettings Gateway stack-based overflow

Summaryinfo

A vulnerability was found in D-Link DAP-1325 and classified as critical. This affects the function SetAPLanSettings. Such manipulation of the argument Gateway leads to stack-based overflow. This vulnerability is traded as CVE-2023-44407. Access to the local network is required for this attack to succeed. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in D-Link DAP-1325 (the affected version is unknown). Affected by this issue is the function SetAPLanSettings. The manipulation of the argument Gateway with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to 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). Impacted is confidentiality, integrity, and availability. CVE summarizes:

D-Link DAP-1325 SetAPLanSettings Gateway Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-1325 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of XML data provided to the HNAP1 SOAP endpoint. 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-18826.

The weakness was shared 10/05/2023 as ZDI-23-1505. The advisory is shared for download at zerodayinitiative.com. This vulnerability is handled as CVE-2023-44407 since 09/28/2023. 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 03/13/2025).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

• D-Link

Name

• DAP-1325

License

• commercial

Website

• Vendor: https://www.dlink.com/

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