How severe is CVE-2016-11021?

CVE-2016-11021 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2016-11021 being actively exploited?

Yes. CVE-2016-11021 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2022-03-25, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2016-11021?

CVE-2016-11021 affects Dlink Dcs-930l Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-11021?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.

Does CVE-2016-11021 have an EU (EUVD) identifier?

Yes. CVE-2016-11021 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2016-2012. It is also flagged as exploited in the EUVD (since 2022-03-25).

When was CVE-2016-11021 published?

CVE-2016-11021 was published on 2020-03-09 and last updated on 2026-06-17.

CVE-2016-11021

CVE-2016-11021 is a high-severity vulnerability in Dlink Dcs-930l Firmware with a CVSS 3.x base score of 7.2. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2022-03-25). The underlying weakness is classified as CWE-78.

Key facts

Severity: High (CVSS 3.x base score 7.2)
CVSS v2: 9.0
EPSS exploit prediction: 69% (99th percentile)
Actively exploited: Yes — listed in CISA KEV (added 2022-03-25)
EU (EUVD) id: EUVD-2016-2012
EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2022-03-25)
Weakness: CWE-78
Affected product: Dlink Dcs-930l Firmware
Published: 2020-03-09
Last modified: 2026-06-17

Description

setSystemCommand on D-Link DCS-930L devices before 2.12 allows a remote attacker to execute code via an OS command in the SystemCommand parameter.

Frequently asked questions

What is CVE-2016-11021?: setSystemCommand on D-Link DCS-930L devices before 2.12 allows a remote attacker to execute code via an OS command in the SystemCommand parameter.
How severe is CVE-2016-11021?: CVE-2016-11021 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2016-11021 being actively exploited?: Yes. CVE-2016-11021 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2022-03-25, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2016-11021?: CVE-2016-11021 affects Dlink Dcs-930l Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-11021?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2016-11021 have an EU (EUVD) identifier?: Yes. CVE-2016-11021 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2016-2012. It is also flagged as exploited in the EUVD (since 2022-03-25).
When was CVE-2016-11021 published?: CVE-2016-11021 was published on 2020-03-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:dlink:dcs-930l_firmware:*:*:*:*:*:*:*:*

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