CVE-2026-86151

CRITICALPre-NVD 9.19.1—
EchelonGraph scoreHIGH confidence

Score 9.1 from GitHub Security Advisory (severity: CRITICAL) published 2026-09-06. a secondary CVSS source baseline 9.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
9.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 2%CVSS: 9.1Exploit: Elevated riskExposed: 0

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

A vulnerability was detected in Tenda CP3 27.5.57.101. The affected element is the function sub_2F77E8 of the file Apis/system.c of the component Network Configuration Management. Performing a manipulation results in os command injection. The attack may be initiated remotely.

CVSS v3
9.1
EG Score
9.1(high)
EG Risk
57(Track*)
EG Risk 57/100SSVC: 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
Severity91% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Watch closely — could escalate to Attend.
EPSS PROB
2%
EPSS %ILE
80%
KEV
Not listed

Published

September 5, 2026

Last Modified

September 11, 2026

Advisory Details (1)

Auto-updated Sep 15, 2026
No patch confirmed yet.
generic

腾达(Tenda) 官方网站 - 致力于建设值得信赖的好网络

https://www.tenda.com.cn/

Vendor Advisories for CVE-2026-86151(1)

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

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 55× in last 7d / 128× 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 128 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-86151?
CVE-2026-86151 is a critical vulnerability published on September 5, 2026. A vulnerability was detected in Tenda CP3 27.5.57.101. The affected element is the function sub_2F77E8 of the file Apis/system.c of the component Network Configuration Management. Performing a manipulation results in os command injection. The attack may be initiated remotely.
When was CVE-2026-86151 disclosed?
CVE-2026-86151 was first published in the National Vulnerability Database on September 5, 2026, with the most recent update on September 11, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-86151 actively exploited?
CVE-2026-86151 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 2% probability of exploitation in the next 30 days, which ranks it in the top 19.7% of all scored CVEs.
What is the CVSS score of CVE-2026-86151?
CVE-2026-86151 has a CVSS v3 base score of 9.1 (NVD).
How do I remediate CVE-2026-86151?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-86151, 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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