Advisory Details

September 7th, 2023

D-Link DAP-1325 SetTriggerAPValidate Key Stack-based Buffer Overflow Remote Code Execution Vulnerability

ZDI-23-1320
ZDI-CAN-18839

CVE ID CVE-2023-41212
CVSS SCORE 8.8, (AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
AFFECTED VENDORS D-Link
AFFECTED PRODUCTS DAP-1325
VULNERABILITY DETAILS

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.

ADDITIONAL DETAILS D-Link has issued an update to correct this vulnerability. More details can be found at:
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10351
DISCLOSURE TIMELINE
  • 2022-09-26 - Vulnerability reported to vendor
  • 2023-09-07 - Coordinated public release of advisory
CREDIT Dmitry "InfoSecDJ" Janushkevich of Trend Micro Zero Day Initiative
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