CVE-2020-27865

HIGHNVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 8.8 under NVD CVSS v3. EPSS exploit probability: 23.5%, top 4% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
8.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 3%CVSS: 8.8Exploit: NoneExposed: 0

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

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-1860 firmware version 1.04B03 WiFi extenders. Authentication is not required to exploit this vulnerability. The specific flaw exists within the uhttpd service, which listens on TCP port 80 by default. The issue results from incorrect string matching logic when accessing protected pages. An attacker can leverage this vulnerability to escalate privileges and execute code in the context of the device. Was ZDI-CAN-10894.

CVSS v3
8.8
EG Score
8.8(medium)
EPSS
83.4%
KEV
Not listed

Published

February 12, 2021

Last Modified

November 21, 2024

References (4)

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 10× in last 7d / 41× 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.

  1. 2026-07-22 14:05 UTCEPSS rescore
  2. 2026-07-21 15:22 UTCEPSS rescore
  3. 2026-07-21 15:22 UTCEPSS rescore
  4. 2026-07-20 17:04 UTCEPSS rescore
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  6. 2026-07-19 14:28 UTCEPSS rescore
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  10. 2026-07-16 16:59 UTCEPSS rescore
  11. 2026-07-15 16:55 UTCEPSS rescore
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  13. 2026-07-15 01:57 UTCEPSS rescore
  14. 2026-07-13 22:27 UTCEPSS rescore
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  16. 2026-07-13 06:10 UTCEPSS rescore
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  18. 2026-07-12 05:44 UTCEPSS rescore
  19. 2026-07-11 08:25 UTCEPSS rescore
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  21. 2026-07-09 19:07 UTCEPSS rescore
  22. 2026-07-08 15:12 UTCEPSS rescore
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  24. 2026-07-06 16:25 UTCEPSS rescore
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  1. 2026-07-06 02:21 UTCEPSS rescore
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  3. 2026-07-04 06:29 UTCEPSS rescore
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  5. 2026-06-30 23:20 UTCEPSS rescore
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  7. 2026-06-29 14:04 UTCEPSS rescore
  8. 2026-06-28 04:54 UTCEPSS rescore
  9. 2026-06-28 04:54 UTCEPSS rescore
  10. 2026-06-27 03:06 UTCEPSS rescore
  11. 2026-06-27 03:06 UTCEPSS rescore
  12. 2026-06-25 13:48 UTCEPSS rescore
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  15. 2026-06-23 21:31 UTCEPSS rescore
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  17. 2026-06-22 14:23 UTCEPSS rescore
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  19. 2026-06-21 14:54 UTCEPSS rescore
  20. 2026-06-21 14:54 UTCEPSS rescore
  21. 2026-06-21 01:57 UTCEPSS rescore
  22. 2026-06-19 19:24 UTCEPSS rescore
  23. 2026-06-19 19:23 UTCEPSS rescore
  24. 2026-06-18 17:50 UTCEPSS rescore
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  26. 2026-06-17 17:50 UTCEPSS rescore
  27. 2026-06-16 17:50 UTCEPSS rescore
  28. 2026-06-15 17:46 UTCEPSS rescore
  29. 2026-06-14 23:15 UTCEPSS rescore
  30. 2026-06-13 22:58 UTCEPSS rescore
  31. 2026-06-12 23:10 UTCEPSS rescore
  32. 2026-06-11 13:58 UTCEPSS rescore
  33. 2026-06-10 22:16 UTCEPSS rescore
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  35. 2026-06-08 14:15 UTCEPSS rescore
  36. 2026-06-07 15:23 UTCEPSS rescore
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  39. 2026-06-06 13:46 UTCEPSS rescore
  40. 2026-06-06 13:45 UTCEPSS rescore
  41. 2026-06-05 22:45 UTCEPSS rescore
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  43. 2026-06-05 06:08 UTCEPSS rescore
  44. 2026-06-05 06:08 UTCEPSS rescore
  45. 2026-06-04 13:10 UTCEPSS rescore
  46. 2026-06-04 13:10 UTCEPSS rescore
  47. 2026-06-02 20:11 UTCEPSS rescore
  48. 2026-06-02 20:11 UTCEPSS rescore
  49. 2026-06-01 13:50 UTCEPSS rescore
  50. 2026-05-31 22:29 UTCEPSS rescore
  51. 2026-05-31 22:29 UTCEPSS rescore
  52. 2026-05-31 00:15 UTCEPSS rescore
  53. 2026-05-31 00:15 UTCEPSS rescore
  54. 2026-05-29 13:42 UTCEPSS rescore
  55. 2026-05-28 13:43 UTCEPSS rescore
  56. 2026-05-28 13:43 UTCEPSS rescore
  57. 2026-05-27 13:39 UTCEPSS rescore
  58. 2026-05-27 13:39 UTCEPSS rescore
  59. 2026-05-26 20:52 UTCEG score recompute
  60. 2026-05-26 20:52 UTCGHSA enrichment

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Frequently asked(5)

What is CVE-2020-27865?
CVE-2020-27865 is a high vulnerability published on February 12, 2021. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-1860 firmware version 1.04B03 WiFi extenders. Authentication is not required to exploit this vulnerability. The specific flaw exists within the uhttpd service, which listens on TCP…
When was CVE-2020-27865 disclosed?
CVE-2020-27865 was first published in the National Vulnerability Database on February 12, 2021, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2020-27865 actively exploited?
CVE-2020-27865 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 83.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2020-27865?
CVE-2020-27865 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2020-27865?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-27865, 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.

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