What is the severity of ZDI-24-033?

ZDI-24-033 has a high severity rating due to the potential for arbitrary code execution by authenticated attackers.

How do I fix ZDI-24-033?

To fix ZDI-24-033, update the D-Link DIR-X3260 router to the latest firmware version provided by D-Link.

Who is affected by ZDI-24-033?

D-Link DIR-X3260 router users are affected by the ZDI-24-033 vulnerability if they have not applied the necessary firmware updates.

Can ZDI-24-033 be exploited remotely?

No, ZDI-24-033 requires authentication, which means an attacker must have valid credentials to exploit the vulnerability.

What components are involved in ZDI-24-033?

The prog.cgi binary, which processes HNAP requests, is the specific component involved in the ZDI-24-033 vulnerability.

Vulnerability/
ZDI-24-033

medium

6.8

11/1/2024

3/5/2024

ZDI-24-033: D-Link DIR-X3260 prog.cgi SetDynamicDNSSettings Stack-Based Buffer Overflow Remote Code Execution Vulnerability

First published: Thu Jan 11 2024(Updated: )

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DIR-X3260 routers. Authentication is required to exploit this vulnerability. The specific flaw exists within the prog.cgi binary, which handles HNAP requests made to the lighttpd webserver listening on TCP ports 80 and 443. The issue results from the lack of proper validation of a user-supplied string before copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root.

Affected Software	Affected Version	How to fix
D-Link DIR-X3260

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Reference Links

Frequently Asked Questions

What is the severity of ZDI-24-033?
ZDI-24-033 has a high severity rating due to the potential for arbitrary code execution by authenticated attackers.
How do I fix ZDI-24-033?
To fix ZDI-24-033, update the D-Link DIR-X3260 router to the latest firmware version provided by D-Link.
Who is affected by ZDI-24-033?
D-Link DIR-X3260 router users are affected by the ZDI-24-033 vulnerability if they have not applied the necessary firmware updates.
Can ZDI-24-033 be exploited remotely?
No, ZDI-24-033 requires authentication, which means an attacker must have valid credentials to exploit the vulnerability.
What components are involved in ZDI-24-033?
The prog.cgi binary, which processes HNAP requests, is the specific component involved in the ZDI-24-033 vulnerability.

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alias/ZDI-CAN-21590
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collector/zdi-advisory
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vendor/d-link
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