CVE-2026-2084: D-Link DIR-823X set_language os command injection

Published Feb 7, 2026
·
Updated

A weakness has been identified in D-Link DIR-823X 250416. This impacts an unknown function of the file /goform/setlanguage. Executing a manipulation of the argument langSelection can lead to os command injection. It is possible to launch the attack remotely. The exploit has been made available to the public and could be used for attacks.

Affected Software

3 affected components
D-Link DIR-823X
All of the following
Dlink Dir-823x Firmware=250416
Dlink Dir-823x

Event History

Feb 7, 2026
CVE Published
via MITRE·11:32 AM
Data Sourced
via MITRE·11:32 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·12:15 PM
DescriptionSeverityWeaknessAffected Software
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2026-2084?

CVE-2026-2084 is classified as a high severity vulnerability due to its potential for os command injection.

2

How do I fix CVE-2026-2084?

To fix CVE-2026-2084, ensure to update the D-Link DIR-823X firmware to the latest version provided by D-Link.

3

What type of vulnerability is CVE-2026-2084?

CVE-2026-2084 is an os command injection vulnerability, which allows attackers to execute arbitrary commands on the affected system.

4

Which product is affected by CVE-2026-2084?

CVE-2026-2084 affects the D-Link DIR-823X router specifically.

5

What action can be taken to mitigate CVE-2026-2084?

To mitigate CVE-2026-2084, restrict access to the router's management interface and implement additional network security measures.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203