What is the severity of ZDI-CAN-21617?

The severity of ZDI-CAN-21617 is critical as it allows arbitrary code execution on affected D-Link DIR-3040 routers.

How do I fix ZDI-CAN-21617?

To fix ZDI-CAN-21617, update the D-Link DIR-3040 firmware to the latest version provided by the vendor.

Who is affected by ZDI-CAN-21617?

ZDI-CAN-21617 affects users of the D-Link DIR-3040 router that have not applied the necessary firmware updates.

Is authentication required to exploit ZDI-CAN-21617?

Yes, authentication is required for an attacker to exploit ZDI-CAN-21617 on D-Link DIR-3040 routers.

What can attackers achieve by exploiting ZDI-CAN-21617?

By exploiting ZDI-CAN-21617, attackers can execute arbitrary code on the affected D-Link DIR-3040 routers.

Vulnerability/
ZDI-CAN-21617

high

7.1

7/9/2023

2/2/2025

ZDI-CAN-21617: ZDI-23-1325: D-Link DIR-3040 prog.cgi SetQuickVPNSettings Password Stack-Based Buffer Overflow Remote Code Execution Vulnerability

First published: Thu Sep 07 2023(Updated: )

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DIR-3040 routers. Authentication is required to exploit this vulnerability.

Affected Software	Affected Version	How to fix
D-Link DIR-3040 Firmware

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Reference Links

Frequently Asked Questions

What is the severity of ZDI-CAN-21617?
The severity of ZDI-CAN-21617 is critical as it allows arbitrary code execution on affected D-Link DIR-3040 routers.
How do I fix ZDI-CAN-21617?
To fix ZDI-CAN-21617, update the D-Link DIR-3040 firmware to the latest version provided by the vendor.
Who is affected by ZDI-CAN-21617?
ZDI-CAN-21617 affects users of the D-Link DIR-3040 router that have not applied the necessary firmware updates.
Is authentication required to exploit ZDI-CAN-21617?
Yes, authentication is required for an attacker to exploit ZDI-CAN-21617 on D-Link DIR-3040 routers.
What can attackers achieve by exploiting ZDI-CAN-21617?
By exploiting ZDI-CAN-21617, attackers can execute arbitrary code on the affected D-Link DIR-3040 routers.

collector/zdi-published
alias/ZDI-CAN-21617
agent/first-publish-date
agent/last-modified-date
agent/title
agent/severity
agent/references
agent/softwarecombine
agent/event
agent/description
agent/source
agent/type
agent/tags
collector/zdi-advisory
source/ZDI
alias/ZDI-23-1325
alias/CVE-2023-41217
agent/software-canonical-lookup
agent/software-canonical-lookup-request
vendor/d-link
canonical/d-link dir-3040 firmware

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Frequently Asked Questions

What is the severity of ZDI-CAN-21617?
The severity of ZDI-CAN-21617 is critical as it allows arbitrary code execution on affected D-Link DIR-3040 routers.
How do I fix ZDI-CAN-21617?
To fix ZDI-CAN-21617, update the D-Link DIR-3040 firmware to the latest version provided by the vendor.
Who is affected by ZDI-CAN-21617?
ZDI-CAN-21617 affects users of the D-Link DIR-3040 router that have not applied the necessary firmware updates.
Is authentication required to exploit ZDI-CAN-21617?
Yes, authentication is required for an attacker to exploit ZDI-CAN-21617 on D-Link DIR-3040 routers.
What can attackers achieve by exploiting ZDI-CAN-21617?
By exploiting ZDI-CAN-21617, attackers can execute arbitrary code on the affected D-Link DIR-3040 routers.