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 HNAP_AUTH 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 | Affected Version | How to fix |
|---|---|---|
| D-Link DAP-1330 Wireless Access Point |
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Reference Links
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.
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- canonical/d-link dap-1330 wireless access point