What is the severity of ZDI-24-034?

The severity of ZDI-24-034 is considered high due to its potential for arbitrary code execution by authenticated attackers.

How do I fix ZDI-24-034?

To fix ZDI-24-034, update the D-Link DIR-X3260 router's firmware to the latest version provided by the manufacturer.

Who is affected by ZDI-24-034?

The ZDI-24-034 vulnerability affects users of D-Link DIR-X3260 routers that are accessible to network-adjacent attackers.

What type of attack is associated with ZDI-24-034?

ZDI-24-034 is associated with network-adjacent attacks that exploit vulnerabilities in the prog.cgi binary handling HNAP requests.

Is authentication required to exploit ZDI-24-034?

Yes, authentication is required to exploit the ZDI-24-034 vulnerability on affected D-Link DIR-X3260 routers.

Vulnerability/
ZDI-24-034

medium

6.8

11/1/2024

3/5/2024

ZDI-24-034: D-Link DIR-X3260 prog.cgi SetQuickVPNSettings Password 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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Frequently Asked Questions

What is the severity of ZDI-24-034?
The severity of ZDI-24-034 is considered high due to its potential for arbitrary code execution by authenticated attackers.
How do I fix ZDI-24-034?
To fix ZDI-24-034, update the D-Link DIR-X3260 router's firmware to the latest version provided by the manufacturer.
Who is affected by ZDI-24-034?
The ZDI-24-034 vulnerability affects users of D-Link DIR-X3260 routers that are accessible to network-adjacent attackers.
What type of attack is associated with ZDI-24-034?
ZDI-24-034 is associated with network-adjacent attacks that exploit vulnerabilities in the prog.cgi binary handling HNAP requests.
Is authentication required to exploit ZDI-24-034?
Yes, authentication is required to exploit the ZDI-24-034 vulnerability on affected D-Link DIR-X3260 routers.

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alias/ZDI-CAN-21591
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vendor/d-link
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