CVE-2026-85222

Received Received - Intake

D-Link DNS-340L Add-On Center OS Command Injection

Publication date: 2026-09-03

Last updated on: 2026-09-03

Assigner: VulDB

Description

A vulnerability has been found in D-Link DNS-340L 1.01B04. Affected by this vulnerability is an unknown functionality of the file /cgi-bin/addon_center.cgi of the component Add-On Center. Such manipulation of the argument f_name/f_url/f_flag/f_login_user leads to os command injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-09-03

Last Modified

2026-09-03

Generated

2026-09-04

AI Q&A

2026-09-04

EPSS Evaluated

N/A

NVD

CVE-2026-85222

Affected Vendors & Products

Vendor	Product	Version / Range
d-link	dns-340l	1.01b04

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-77	The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.
CWE-78	The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.

Attack-Flow Graph

Executive Summary

This vulnerability is an OS command injection flaw in D-Link DNS-340L version 1.01B04. It exists in the Add-On Center component, specifically in the /cgi-bin/addon_center.cgi file. Attackers can manipulate arguments like f_name, f_url, f_flag, or f_login_user to inject and execute arbitrary operating system commands remotely.

Impact Analysis

This vulnerability allows remote attackers to execute arbitrary commands on the affected device. This could lead to full system compromise, unauthorized access, data theft, or disruption of services. Since the device is a network storage solution, sensitive data stored on it may be at risk.

Compliance Impact

This vulnerability could lead to unauthorized access and data breaches, which may violate compliance requirements under GDPR (data protection) and HIPAA (health information privacy). Organizations using this device must address it promptly to avoid legal and regulatory penalties.

Mitigation Strategies

Immediately update the D-Link DNS-340L firmware to the latest version to patch the vulnerability. Disable remote access to the device if not required. Monitor network traffic for suspicious activity targeting /cgi-bin/addon_center.cgi.

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