CVE-2025-4340: D-Link DIR-890L/DIR-806A1 soap.cgi sub_175C8 command injection

Published May 6, 2025
·
Updated

A vulnerability classified as critical has been found in D-Link DIR-890L and DIR-806A1 up to 100CNb11/108B03. Affected is the function sub175C8 of the file /htdocs/soap.cgi. The manipulation leads to command injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.

Affected Software

6 affected components
D-Link DIR-890L<=100CNb11/108B03
D-Link DIR-806A1<=100CNb11/108B03
All of the following
Dlink Dir-806 Firmware<=100cnb11
Dlink Dir-806=a1
All of the following
Dlink Dir-890l Firmware<=1.08b03
Dlink Dir-890l=a1

Event History

May 6, 2025
CVE Published
via MITRE·08:00 AM
Data Sourced
via MITRE·08:00 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·08:15 AM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2025-4340?

CVE-2025-4340 is classified as a critical vulnerability.

2

How do I fix CVE-2025-4340?

To fix CVE-2025-4340, update your D-Link DIR-890L or DIR-806A1 to the latest firmware version available.

3

What are the affected devices for CVE-2025-4340?

CVE-2025-4340 affects the D-Link DIR-890L and DIR-806A1 routers with firmware versions up to 100CNb11/108B03.

4

What type of vulnerability is CVE-2025-4340?

CVE-2025-4340 is a command injection vulnerability that can be exploited remotely.

5

What consequences can arise from CVE-2025-4340?

Exploitation of CVE-2025-4340 may allow an attacker to execute arbitrary commands on the affected devices.

Contact

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