ZDI-21-681: (0Day) D-Link DAP-1330 lighttpd http_parse_request 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 HNAPAUTH 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 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-21-681?
The severity of ZDI-21-681 is critical due to its potential for remote code execution.
How do I fix ZDI-21-681?
To fix ZDI-21-681, update the D-Link DAP-1330 router firmware to the latest version provided by the vendor.
Who is affected by ZDI-21-681?
ZDI-21-681 affects users of the D-Link DAP-1330 router.
Is authentication required to exploit ZDI-21-681?
No, authentication is not required to exploit the ZDI-21-681 vulnerability.
What kind of attack is possible with ZDI-21-681?
ZDI-21-681 allows network-adjacent attackers to execute arbitrary code on the affected D-Link routers.