CVE-2016-11021

CRITICALNVD 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
9.0EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 69%CVSS: 7.2Exploit: cisa kev · ssvc active · Metasploit · epss top5pct · epss high · public exploitExposed: 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)
EG Risk
81(Attend)
EG Risk 81/100SSVC: Attend

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity90% × 45%
Exploitation100% × 40%
Automatability0% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
69%
EPSS %ILE
99%
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 52× in last 7d / 201× 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 585 total refreshes for this CVE.

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