CVE-2016-11021

HIGHNVD 7.29.0
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2022-03-25), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 7.2 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 4 sources updated this weekExploited in the wild
7.2
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS: 69%CVSS: 7.2Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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
99.3%
KEV
⚠ Exploited

Published

March 9, 2020

Last Modified

November 5, 2025

Advisory Details (2)

Auto-updated Jun 11, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: cisa.
cisa Patch Available🔴 Active Exploitation

Known Exploited Vulnerabilities Catalog | CISA

Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-11021
generic🟡 PoC Available

D-Link DCS-930L - (Authenticated) Remote Command Execution (Metasploit) - Hardware remote Exploit

https://www.exploit-db.com/exploits/39437

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 85× in last 7d / 385× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 476 total refreshes for this CVE.

  1. 2026-07-07 13:42 UTCEPSS rescore
  2. 2026-07-07 09:45 UTCEG score recompute
  3. 2026-07-07 09:45 UTCGHSA enrichment
  4. 2026-07-07 05:38 UTCEG score recompute
  5. 2026-07-07 05:38 UTCGHSA enrichment
  6. 2026-07-07 01:31 UTCEG score recompute
  7. 2026-07-07 01:30 UTCGHSA enrichment
  8. 2026-07-06 21:23 UTCEG score recompute
  9. 2026-07-06 21:23 UTCGHSA enrichment
  10. 2026-07-06 17:16 UTCEG score recompute
  11. 2026-07-06 17:16 UTCGHSA enrichment
  12. 2026-07-06 13:09 UTCEG score recompute
  13. 2026-07-06 13:08 UTCGHSA enrichment
  14. 2026-07-06 09:00 UTCEG score recompute
  15. 2026-07-06 09:00 UTCGHSA enrichment
  16. 2026-07-06 04:54 UTCEG score recompute
  17. 2026-07-06 04:54 UTCGHSA enrichment
  18. 2026-07-06 00:46 UTCEG score recompute
  19. 2026-07-06 00:46 UTCGHSA enrichment
  20. 2026-07-05 20:40 UTCEG score recompute
  21. 2026-07-05 20:40 UTCGHSA enrichment
  22. 2026-07-05 16:34 UTCEG score recompute
  23. 2026-07-05 16:34 UTCGHSA enrichment
  24. 2026-07-05 12:27 UTCEG score recompute
  25. 2026-07-05 12:27 UTCGHSA enrichment
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  1. 2026-07-05 08:20 UTCEG score recompute
  2. 2026-07-05 08:20 UTCGHSA enrichment
  3. 2026-07-05 04:14 UTCEG score recompute
  4. 2026-07-05 04:13 UTCGHSA enrichment
  5. 2026-07-05 02:27 UTCEPSS rescore
  6. 2026-07-05 00:05 UTCEG score recompute
  7. 2026-07-05 00:05 UTCGHSA enrichment
  8. 2026-07-04 19:59 UTCEG score recompute
  9. 2026-07-04 19:59 UTCGHSA enrichment
  10. 2026-07-04 15:53 UTCEG score recompute
  11. 2026-07-04 15:53 UTCGHSA enrichment
  12. 2026-07-04 11:47 UTCEG score recompute
  13. 2026-07-04 11:47 UTCGHSA enrichment
  14. 2026-07-04 07:40 UTCEG score recompute
  15. 2026-07-04 07:40 UTCGHSA enrichment
  16. 2026-07-04 03:30 UTCEG score recompute
  17. 2026-07-04 03:30 UTCGHSA enrichment
  18. 2026-07-03 23:24 UTCEG score recompute
  19. 2026-07-03 23:24 UTCGHSA enrichment
  20. 2026-07-03 19:18 UTCEG score recompute
  21. 2026-07-03 19:18 UTCGHSA enrichment
  22. 2026-07-03 15:12 UTCEG score recompute
  23. 2026-07-03 15:12 UTCGHSA enrichment
  24. 2026-07-03 11:04 UTCEG score recompute
  25. 2026-07-03 11:04 UTCGHSA enrichment
  26. 2026-07-03 06:55 UTCEG score recompute
  27. 2026-07-03 06:54 UTCGHSA enrichment
  28. 2026-07-03 02:47 UTCEG score recompute
  29. 2026-07-03 02:47 UTCGHSA enrichment
  30. 2026-07-02 22:40 UTCEG score recompute
  31. 2026-07-02 22:40 UTCGHSA enrichment
  32. 2026-07-02 18:33 UTCEG score recompute
  33. 2026-07-02 18:33 UTCGHSA enrichment
  34. 2026-07-02 14:27 UTCEG score recompute
  35. 2026-07-02 14:26 UTCGHSA enrichment
  36. 2026-07-02 10:20 UTCEG score recompute
  37. 2026-07-02 10:20 UTCGHSA enrichment
  38. 2026-07-02 06:14 UTCEG score recompute
  39. 2026-07-02 06:14 UTCGHSA enrichment
  40. 2026-07-02 02:08 UTCEG score recompute
  41. 2026-07-02 02:08 UTCGHSA enrichment
  42. 2026-07-01 22:01 UTCEG score recompute
  43. 2026-07-01 22:01 UTCGHSA enrichment
  44. 2026-07-01 19:16 UTCCISA KEV update
  45. 2026-07-01 17:54 UTCEG score recompute
  46. 2026-07-01 17:54 UTCGHSA enrichment
  47. 2026-07-01 15:02 UTCEPSS rescore
  48. 2026-07-01 13:48 UTCEG score recompute
  49. 2026-07-01 13:48 UTCGHSA enrichment
  50. 2026-07-01 09:41 UTCEG score recompute
  51. 2026-07-01 09:41 UTCGHSA enrichment
  52. 2026-07-01 05:34 UTCEG score recompute
  53. 2026-07-01 05:34 UTCGHSA enrichment
  54. 2026-07-01 01:28 UTCEG score recompute
  55. 2026-07-01 01:28 UTCGHSA enrichment
  56. 2026-06-30 23:19 UTCEPSS rescore
  57. 2026-06-30 21:22 UTCEG score recompute
  58. 2026-06-30 21:22 UTCGHSA enrichment
  59. 2026-06-30 17:15 UTCEG score recompute
  60. 2026-06-30 17:15 UTCGHSA enrichment
  61. 2026-06-30 13:06 UTCEG score recompute
  62. 2026-06-30 13:06 UTCGHSA enrichment
  63. 2026-06-30 08:59 UTCEG score recompute
  64. 2026-06-30 08:59 UTCGHSA enrichment
  65. 2026-06-30 04:53 UTCEG score recompute
  66. 2026-06-30 04:52 UTCGHSA enrichment
  67. 2026-06-30 00:46 UTCEG score recompute
  68. 2026-06-30 00:46 UTCGHSA enrichment
  69. 2026-06-29 20:40 UTCEG score recompute
  70. 2026-06-29 20:40 UTCGHSA enrichment
  71. 2026-06-29 19:12 UTCCISA KEV update
  72. 2026-06-29 16:33 UTCEG score recompute
  73. 2026-06-29 16:33 UTCGHSA enrichment
  74. 2026-06-29 12:27 UTCEG score recompute
  75. 2026-06-29 12:27 UTCGHSA enrichment

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

Explore the affected products and dependency analysis for CVE-2016-11021

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