CVE-2026-51754

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-09-01. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 9.8Exploit: None knownExposed: 0

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

Incorrect access control in the updateSlaveIpList function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to overwrite the slave IP inventory state via sending a crafted MQTT message to the cs_broker component.

CVSS v3
9.8
EG Score
9.8(high)
EG Risk
59(Track)
EG Risk 59/100SSVC: 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
Severity98% × 45%
Exploitation1% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
47%
KEV
Not listed

Published

September 1, 2026

Last Modified

September 3, 2026

Advisory Details (2)

Auto-updated Sep 24, 2026
No patch confirmed yet.
generic

TOTOLINK | Wi-Fi 7, Mesh, 5G & Enterprise Networking

https://www.totolink.net/
generic

CVE-Vendor-Coordination/TOTOLINK/README.md at main · ShengWu00/CVE-Vendor-Coordination · GitHub

https://github.com/DarkBoulder/CVE-Vendor-Coordination/blob/main/TOTOLINK/README.md

Vendor Advisories for CVE-2026-51754(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 54× in last 7d / 176× 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 176 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-51754?
CVE-2026-51754 is a critical vulnerability published on September 1, 2026. Incorrect access control in the updateSlaveIpList function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to overwrite the slave IP inventory state via sending a crafted MQTT message to the csbroker component.
When was CVE-2026-51754 disclosed?
CVE-2026-51754 was first published in the National Vulnerability Database on September 1, 2026, with the most recent update on September 3, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-51754 actively exploited?
CVE-2026-51754 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 52.6% of all scored CVEs.
What is the CVSS score of CVE-2026-51754?
CVE-2026-51754 has a CVSS v3.1 base score of 9.8 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-51754?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-51754, 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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