CVE-2026-1544
Unknown Unknown - Not Provided
Remote OS Command Injection in D-Link DIR-823X /goform/set_mode

Publication date: 2026-01-28

Last updated on: 2026-04-29

Assigner: VulDB

Description
A security flaw has been discovered in D-Link DIR-823X 250416. Impacted is the function sub_41E2A0 of the file /goform/set_mode. Performing a manipulation of the argument lan_gateway results in os command injection. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks. This vulnerability only affects products that are no longer supported by the maintainer.
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Meta Information
Published
2026-01-28
Last Modified
2026-04-29
Generated
2026-06-16
AI Q&A
2026-01-29
EPSS Evaluated
2026-06-15
NVD
CVE-2026-1544
EUVD
EUVD-2026-4854
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
dlink dir-823x_firmware 250416
Helpful Resources
Exploitability
CWE
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KEV
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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.
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Mitigation Strategies

Since the affected products are no longer supported by the maintainer, immediate mitigation steps include discontinuing use of the vulnerable D-Link DIR-823X device or isolating it from the network to prevent remote exploitation. Additionally, monitor network traffic for suspicious activity targeting the /goform/set_mode endpoint with manipulation of the lan_gateway argument.

Executive Summary

This vulnerability is a security flaw in the D-Link DIR-823X device, specifically in the function sub_41E2A0 of the /goform/set_mode file. It allows an attacker to perform OS command injection by manipulating the 'lan_gateway' argument. This means an attacker can remotely execute arbitrary operating system commands on the device.

Impact Analysis

The vulnerability can allow a remote attacker to execute arbitrary OS commands on the affected device, potentially leading to unauthorized control, data compromise, or disruption of device functionality. Since the device is no longer supported, patches are unlikely, increasing the risk of exploitation.

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