CVE-2016-11021

HIGHNVD 7.29.0▲Trending — 4 sources updated this weekExploited in the wild

7.2

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.

CVSS v3: 7.2
EG Score: 9.0(high)
EPSS: 99.6%
KEV: ⚠ Exploited

Published

March 9, 2020

Last Modified

November 5, 2025

References (3)

cve@mitrehttps://www.exploit-db.com/exploits/39437
af854a3a-2127-422b-91ae-364da2661108https://www.exploit-db.com/exploits/39437
134c704f-9b21-4f2e-91b3-4a467353bcc0https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-11021

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-78OS Command Injection

Data Freshness Timeline

(refreshed 20× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-04 02:12 UTCEG score recompute
2026-06-04 02:12 UTCGHSA enrichment
2026-06-03 22:06 UTCEG score recompute
2026-06-03 22:06 UTCGHSA enrichment
2026-06-03 19:09 UTCkev_newly_listed
2026-06-03 18:00 UTCEG score recompute
2026-06-03 18:00 UTCGHSA enrichment
2026-06-03 13:54 UTCEG score recompute
2026-06-03 13:54 UTCGHSA enrichment
2026-06-03 09:47 UTCEG score recompute
2026-06-03 09:47 UTCGHSA enrichment
2026-06-03 05:40 UTCEG score recompute
2026-06-03 05:40 UTCGHSA enrichment
2026-06-03 01:33 UTCEG score recompute
2026-06-03 01:33 UTCGHSA enrichment
2026-06-02 21:26 UTCEG score recompute
2026-06-02 21:26 UTCGHSA enrichment
2026-06-02 20:10 UTCepss_batch
2026-06-02 18:32 UTCkev_newly_listed
2026-06-02 17:20 UTCEG score recompute

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Metasploit module). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Metasploitexploit/linux/http/dlink_dcs_930l_authenticated_remote_command_execution✓ verified
First seen Dec 20, 2015
D-Link DCS-930L Authenticated Remote Command Execution
Open source ↗

Frequently asked(6)

What is CVE-2016-11021?

CVE-2016-11021 is a high vulnerability published on March 9, 2020. 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.

When was CVE-2016-11021 disclosed?

CVE-2016-11021 was first published in the National Vulnerability Database on March 9, 2020, with the most recent update on November 5, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2016-11021 actively exploited?

Yes. CISA added CVE-2016-11021 to the Known Exploited Vulnerabilities catalog on March 25, 2022, affecting D-Link DCS-930L Devices. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.

What is the CVSS score of CVE-2016-11021?

CVE-2016-11021 has a CVSS v3 base score of 7.2 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.

Which products are affected by CVE-2016-11021?

CVE-2016-11021 affects D-Link DCS-930L Devices. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.

How do I remediate CVE-2016-11021?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2016-11021, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2016-11021

📅 Published

🔄 Last Modified

🔗 References (3)

Weakness Classification(1)

Data Freshness Timeline

Publicly available exploits

❓ Frequently asked(6)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2016-11021?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (3)

Frequently asked(6)

Related CVEs(same CWE)