CVE-2026-1544
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
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| dlink | dir-823x_firmware | 250416 |
Helpful Resources
Exploitability
| 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
AI Powered Q&A
What immediate steps should I take to mitigate this vulnerability?
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.
Can you explain this vulnerability to me?
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.
How can this vulnerability impact me? :
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.