CVE-2026-66409

MEDIUMPre-NVD 5.35.3—
EchelonGraph scoreMEDIUM confidence

Score 5.3 from GitHub Security Advisory published 2026-08-10. a secondary CVSS source baseline 5.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
5.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.3Exploit: None knownExposed: 0

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

DEEBOT PRO M1 and DEEBOT PRO K1VAC are configured with weak passwords for their Wi-Fi hotspot networks. The password may be analyzed and obtained to connect to the access point of an affected robot.

CVSS v3
5.3
EG Score
5.3(medium)
EG Risk
39(Track)
EG Risk 39/100SSVC: Track

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
Severity53% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
9%
KEV
Not listed

Published

August 10, 2026

Last Modified

August 28, 2026

Advisory Details (2)

Auto-updated Aug 10, 2026
No patch confirmed yet.
generic

JVNVU#92804348: Multiple vulnerabilities in DEEBOT PRO M1, DEEBOT PRO K1VAC and ECOVACS PRO App

https://jvn.jp/en/vu/JVNVU92804348/
generic

DEEBOT PRO M1/K1VAC ファームウェア更新のお知らせ　　　（2026年3月31日更新） ｜ ロボット紹介−ハロハスロボティクス

https://robot.hellohas.co.jp/news/update_20260331/

Vendor Advisories for CVE-2026-66409(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 17× in last 7d / 75× 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 105 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-66409?
CVE-2026-66409 is a medium vulnerability published on August 10, 2026. DEEBOT PRO M1 and DEEBOT PRO K1VAC are configured with weak passwords for their Wi-Fi hotspot networks. The password may be analyzed and obtained to connect to the access point of an affected robot.
When was CVE-2026-66409 disclosed?
CVE-2026-66409 was first published in the National Vulnerability Database on August 10, 2026, with the most recent update on August 28, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-66409 actively exploited?
CVE-2026-66409 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 90.6% of all scored CVEs.
What is the CVSS score of CVE-2026-66409?
CVE-2026-66409 has a CVSS v3 base score of 5.3 (NVD).
How do I remediate CVE-2026-66409?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-66409, 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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