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ExploitedIn CISA KEVFix available

CVE-2016-11021

Exploitation confirmed. First attested on 2022-03-25 by CISA-ADP, CISA KEV, GCVE · kevintel, GCVE · shadowserver.

  • Published2020-03-09
  • Fixed in2.12
  • WeaknessCWE-78

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2020-03-0901:15CVE publishedNVD
  2. 2022-03-25Added to the CISA KEV catalogCISA KEV
  3. 2022-03-25Listed as exploited by GCVEGCVE
  4. 2022-03-25Exploitation first reportedCISA KEV
  5. 2025-02-0420:00SSVC exploitation set to activeCISA-ADP

Observed activity

isMalicious corpus · updated 2026-11-04 09:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2016-11021?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2016-11021?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Dlink dcs-930l firmwareversion to verify
BranchAffectedFixed in
2.12< 2.122.12

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

  1. Update Dlink dcs-930l firmware to 2.12
  2. CISA’s required action: The impacted product is end-of-life and should be disconnected if still in use.due 2022-04-15

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub
Metasploit modules
1 moduleexploit/linux/http/dlink_dcs_930l_authenticated_remote_command_executionrank: excellentModule metadata: Metasploit Framework, © Rapid7, Inc., BSD-3-Clause.
Metasploit Framework

CISA Known Exploited Vulnerability

Date Added
2022-03-25
Patch Due Date
2022-04-15
Ransomware Use
Unknown
Required Action
The impacted product is end-of-life and should be disconnected if still in use.

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Published
2020-03-09
Last Modified
2026-06-17
NVD status
Analyzed
GitHub Advisory
GHSA-q7vj-25p7-w99v

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.

Is CVE-2016-11021 actively exploited?

Yes. CVE-2016-11021 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2022-04-15.

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

CVE-2016-11021 has a CVSS v3 base score of 7.2 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

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Sources for this record