ZDI-20-1429: D-Link DAP-1860 uhttpd Authentication Bypass Remote Code Execution Vulnerability

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-1860 WiFi extenders. Authentication is not required to exploit this vulnerability. The specific flaw exists within the uhttpd service, which listens on TCP port 80 by default. The issue results from incorrect string matching logic when accessing protected pages. An attacker can leverage this vulnerability to escalate privileges and execute code in the context of the device.

Affected Software

1 affected component
D-Link DAP-1860

Event History

Mar 28, 2025
Advisory Published
via ZDI·12:10 AM
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Frequently Asked Questions

1

What is the severity of ZDI-20-1429?

The severity of ZDI-20-1429 is critical as it allows remote code execution without authentication.

2

How do I fix ZDI-20-1429?

To fix ZDI-20-1429, update the D-Link DAP-1860 to the latest firmware version provided by D-Link.

3

Who is affected by ZDI-20-1429?

ZDI-20-1429 affects users of the D-Link DAP-1860 WiFi extenders.

4

Can ZDI-20-1429 be exploited remotely?

Yes, ZDI-20-1429 can be exploited remotely by network-adjacent attackers.

5

Is authentication required to exploit ZDI-20-1429?

No, authentication is not required to exploit ZDI-20-1429.

Contact

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