CVE-2025-7836: D-Link DIR-816L Environment Variable cgibin lxmldbc_system command injection

Published Jul 19, 2025
·
Updated

A vulnerability has been found in D-Link DIR-816L up to 2.06B01 and classified as critical. Affected by this vulnerability is the function lxmldbcsystem of the file /htdocs/cgibin of the component Environment Variable Handler. The manipulation leads to command injection. The attack can be launched 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

3 affected components
D-Link DIR-816L<=2.06B01
All of the following
Dlink Dir-816l Firmware<2.06b01
Dlink DIR-816L

Event History

Jul 19, 2025
CVE Published
via MITRE·04:44 PM
Data Sourced
via MITRE·04:44 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·05:15 PM
DescriptionSeverityWeaknessAffected Software
Jun 19, 58473
Event
via NVD·10:18 PM
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Frequently Asked Questions

1

What is the severity of CVE-2025-7836?

CVE-2025-7836 is classified as critical due to its potential for command injection vulnerabilities.

2

How do I fix CVE-2025-7836?

To mitigate CVE-2025-7836, update your D-Link DIR-816L device to the latest firmware version beyond 2.06B01.

3

What devices are affected by CVE-2025-7836?

CVE-2025-7836 affects the D-Link DIR-816L with firmware versions up to and including 2.06B01.

4

What type of vulnerability is CVE-2025-7836?

CVE-2025-7836 is a command injection vulnerability that allows an attacker to execute arbitrary commands.

5

Is CVE-2025-7836 being actively exploited?

While there are no specific reports of active exploitation, the critical nature of CVE-2025-7836 makes it a high-risk target.

Contact

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