ZDI-21-679: (0Day) D-Link DAP-1330 HNAP checkValidRequest 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-1330 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of the SOAPAction HTTP header. 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 the device.
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-21-679?
The severity of ZDI-21-679 is considered critical due to its potential for arbitrary code execution.
How do I fix ZDI-21-679?
To fix ZDI-21-679, users should apply any patches or firmware updates provided by D-Link for the DAP-1330 model.
Who is affected by ZDI-21-679?
ZDI-21-679 affects all installations of D-Link DAP-1330 routers that are exposed to network-adjacent attackers.
Is authentication required to exploit ZDI-21-679?
No, authentication is not required to exploit the ZDI-21-679 vulnerability.
What type of attack does ZDI-21-679 enable?
ZDI-21-679 enables network-adjacent attackers to execute arbitrary code on the affected D-Link DAP-1330 routers.