CVE-2025-7836 - CVE House
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Status published Medium CVE-2025-7836

D-Link DIR-816L Environment Variable cgibin lxmldbc_system command injection

Vulnerability Description

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 lxmldbc_system 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • bananaship (VulDB User)

References

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Affected Vendor

Affected Software

DIR-816L
Vulnerable Versions:
2.06B01

Timeline

Official Publish: July 19th, 2025
Last Modified: July 21st, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

Weaknesses (CWE)

CWE-77 CWE-74

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1059 Command and Scripting Interpreter
Execution
T1068 Exploitation for Privilege Escalation
Privilege Escalation
T1105 Ingress Tool Transfer
Command and Control
T1562 Impair Defenses
Defense Evasion
T1213 Data from Information Repositories
Collection