CVE-2016-11021VulnerabilityPublished 03/25/2022Updated 10/24/2026

CVE-2016-11021: D-Link DCS-930L Devices OS Command Injection Vulnerability

Affects D-Link DCS-930L DevicesSource CISA KEV

Severity

High

No CVSS score published yet

Exploitation: Actively exploited – in CISA KEV since 03/25/2022
KEV deadline: 04/15/2022
EPSS: 68.9% chance of exploitation in 30 days – higher than 99% of CVEs

What to do

CISA required action

The impacted product is end-of-life and should be disconnected if still in use.

nvd.nist.gov/vuln/detail/CVE-2016-11021 (opens in a new tab)

Description

CVE-2016-11021 is a high-severity vulnerability in D-Link DCS-930L devices that allows remote attackers to execute arbitrary operating system commands via the setSystemCommand function. This vulnerability has been exploited in the wild. No specific affected versions or patch information is provided in the available data.

Summary

The vulnerability identified as CVE-2016-11021 affects D-Link DCS-930L devices. It involves the setSystemCommand functionality, which improperly handles input, enabling remote attackers to execute arbitrary OS commands on the affected device. This represents an OS command injection vulnerability classified under CWE-78. Exploitation of this flaw has been observed in the wild, indicating active threat usage. No vendor advisory or patch information is provided in the input data.

Impact

Successful exploitation allows remote attackers to execute arbitrary operating system commands on vulnerable D-Link DCS-930L devices. This can lead to full compromise of the device, unauthorized control, and potentially further network compromise. The vulnerability has been exploited in the wild, confirming active risk to affected devices.

Mitigation

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict network access to the affected devices and monitor for suspicious activity related to command injection attempts.

Weaknesses

CWE-78OS Command Injection (opens in a new tab)

What to do

Description

AnalysisAI-generated, updated 10/24/2026, 10:56:40 UTC

Weaknesses

References

Related threats