CVE-2016-20017

CRITICALNVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score elevated to 9.8 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2024-01-08), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 9.8 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
9.8
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS: 60%CVSS: 9.8Exploit: NoneExposed: 0

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

D-Link DSL-2750B devices before 1.05 allow remote unauthenticated command injection via the login.cgi cli parameter, as exploited in the wild in 2016 through 2022.

CVSS v3
9.8
EG Score
9.8(high)
EPSS
99.1%
KEV
⚠ Exploited

Published

October 19, 2022

Last Modified

November 5, 2025

Advisory Details (4)

Auto-updated May 25, 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-2016-20017
generic🟡 PoC Available

D-Link DSL-2750B - OS Command Injection (Metasploit) - Hardware remote Exploit

https://www.exploit-db.com/exploits/44760
generic

D-Link Technical Support

https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10088
generic

Full Disclosure: D-Link router DSL-2750B firmware 1.01 to 1.03 - remote command execution no auth required

https://seclists.org/fulldisclosure/2016/Feb/53

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 60× in last 7d / 230× 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 397 total refreshes for this CVE.

  1. 2026-07-22 15:58 UTCEG score recompute
  2. 2026-07-22 15:57 UTCGHSA enrichment
  3. 2026-07-22 14:04 UTCEPSS rescore
  4. 2026-07-22 11:55 UTCGHSA enrichment
  5. 2026-07-22 07:55 UTCGHSA enrichment
  6. 2026-07-22 03:54 UTCGHSA enrichment
  7. 2026-07-21 23:48 UTCGHSA enrichment
  8. 2026-07-21 19:20 UTCEG score recompute
  9. 2026-07-21 19:20 UTCGHSA enrichment
  10. 2026-07-21 15:21 UTCEPSS rescore
  11. 2026-07-21 15:21 UTCEPSS rescore
  12. 2026-07-21 15:19 UTCGHSA enrichment
  13. 2026-07-21 14:37 UTCCISA KEV update
  14. 2026-07-21 11:19 UTCGHSA enrichment
  15. 2026-07-21 07:18 UTCGHSA enrichment
  16. 2026-07-21 03:17 UTCGHSA enrichment
  17. 2026-07-20 23:16 UTCGHSA enrichment
  18. 2026-07-20 19:16 UTCEG score recompute
  19. 2026-07-20 19:16 UTCGHSA enrichment
  20. 2026-07-20 17:03 UTCEPSS rescore
  21. 2026-07-20 15:16 UTCGHSA enrichment
  22. 2026-07-20 11:16 UTCGHSA enrichment
  23. 2026-07-20 07:16 UTCGHSA enrichment
  24. 2026-07-20 03:16 UTCGHSA enrichment
  25. 2026-07-19 23:16 UTCGHSA enrichment
Show 75 more
  1. 2026-07-19 19:16 UTCGHSA enrichment
  2. 2026-07-19 15:16 UTCGHSA enrichment
  3. 2026-07-19 11:16 UTCGHSA enrichment
  4. 2026-07-19 07:16 UTCGHSA enrichment
  5. 2026-07-19 03:16 UTCEG score recompute
  6. 2026-07-19 03:15 UTCGHSA enrichment
  7. 2026-07-19 02:26 UTCEPSS rescore
  8. 2026-07-19 02:26 UTCEPSS rescore
  9. 2026-07-18 23:15 UTCGHSA enrichment
  10. 2026-07-18 19:15 UTCGHSA enrichment
  11. 2026-07-18 15:14 UTCGHSA enrichment
  12. 2026-07-18 11:14 UTCEG score recompute
  13. 2026-07-18 11:13 UTCGHSA enrichment
  14. 2026-07-18 10:00 UTCEPSS rescore
  15. 2026-07-18 10:00 UTCEPSS rescore
  16. 2026-07-18 07:12 UTCGHSA enrichment
  17. 2026-07-18 03:12 UTCGHSA enrichment
  18. 2026-07-17 23:12 UTCGHSA enrichment
  19. 2026-07-17 19:12 UTCGHSA enrichment
  20. 2026-07-17 15:12 UTCGHSA enrichment
  21. 2026-07-17 11:11 UTCGHSA enrichment
  22. 2026-07-17 07:11 UTCEG score recompute
  23. 2026-07-17 07:11 UTCGHSA enrichment
  24. 2026-07-17 03:11 UTCGHSA enrichment
  25. 2026-07-16 23:11 UTCGHSA enrichment
  26. 2026-07-16 19:11 UTCGHSA enrichment
  27. 2026-07-16 17:04 UTCCISA KEV update
  28. 2026-07-16 16:59 UTCEPSS rescore
  29. 2026-07-16 16:59 UTCEPSS rescore
  30. 2026-07-16 15:11 UTCGHSA enrichment
  31. 2026-07-16 11:11 UTCGHSA enrichment
  32. 2026-07-16 07:10 UTCGHSA enrichment
  33. 2026-07-16 03:10 UTCGHSA enrichment
  34. 2026-07-15 23:10 UTCGHSA enrichment
  35. 2026-07-15 19:10 UTCGHSA enrichment
  36. 2026-07-15 16:54 UTCEPSS rescore
  37. 2026-07-15 16:54 UTCEPSS rescore
  38. 2026-07-15 16:49 UTCCISA KEV update
  39. 2026-07-15 15:10 UTCGHSA enrichment
  40. 2026-07-15 15:04 UTCCISA KEV update
  41. 2026-07-15 11:09 UTCGHSA enrichment
  42. 2026-07-15 07:10 UTCGHSA enrichment
  43. 2026-07-15 03:08 UTCGHSA enrichment
  44. 2026-07-14 23:06 UTCGHSA enrichment
  45. 2026-07-14 19:05 UTCGHSA enrichment
  46. 2026-07-14 18:05 UTCCISA KEV update
  47. 2026-07-14 15:01 UTCGHSA enrichment
  48. 2026-07-14 11:00 UTCGHSA enrichment
  49. 2026-07-14 07:00 UTCGHSA enrichment
  50. 2026-07-14 03:00 UTCGHSA enrichment
  51. 2026-07-13 23:00 UTCGHSA enrichment
  52. 2026-07-13 22:26 UTCEPSS rescore
  53. 2026-07-13 19:00 UTCGHSA enrichment
  54. 2026-07-13 17:07 UTCCISA KEV update
  55. 2026-07-13 14:59 UTCGHSA enrichment
  56. 2026-07-13 10:59 UTCGHSA enrichment
  57. 2026-07-13 06:59 UTCGHSA enrichment
  58. 2026-07-13 06:09 UTCEPSS rescore
  59. 2026-07-13 02:58 UTCGHSA enrichment
  60. 2026-07-12 22:57 UTCGHSA enrichment
  61. 2026-07-12 18:57 UTCGHSA enrichment
  62. 2026-07-12 14:56 UTCGHSA enrichment
  63. 2026-07-12 10:56 UTCGHSA enrichment
  64. 2026-07-12 06:56 UTCGHSA enrichment
  65. 2026-07-12 05:43 UTCEPSS rescore
  66. 2026-07-12 05:43 UTCEPSS rescore
  67. 2026-07-12 02:56 UTCGHSA enrichment
  68. 2026-07-11 22:56 UTCGHSA enrichment
  69. 2026-07-11 18:56 UTCGHSA enrichment
  70. 2026-07-11 14:56 UTCGHSA enrichment
  71. 2026-07-11 10:56 UTCGHSA enrichment
  72. 2026-07-11 08:23 UTCEPSS rescore
  73. 2026-07-11 06:56 UTCGHSA enrichment
  74. 2026-07-11 02:56 UTCGHSA enrichment
  75. 2026-07-10 22:56 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_dsl2750b_exec_noauth✓ verified
    First seen Feb 5, 2016

    D-Link DSL-2750B OS Command Injection

    Open source ↗

Related CVEs(same CWE)

Frequently asked(6)

What is CVE-2016-20017?
CVE-2016-20017 is a critical vulnerability published on October 19, 2022. D-Link DSL-2750B devices before 1.05 allow remote unauthenticated command injection via the login.cgi cli parameter, as exploited in the wild in 2016 through 2022.
When was CVE-2016-20017 disclosed?
CVE-2016-20017 was first published in the National Vulnerability Database on October 19, 2022, 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-2016-20017 actively exploited?
Yes. CISA added CVE-2016-20017 to the Known Exploited Vulnerabilities catalog on January 8, 2024, affecting D-Link DSL-2750B Devices. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2016-20017?
CVE-2016-20017 has a CVSS v3 base score of 9.8 (NVD).
Which products are affected by CVE-2016-20017?
CVE-2016-20017 affects D-Link DSL-2750B 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-2016-20017?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2016-20017, 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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