CVE-2026-38711

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-07-31. 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: 3%CVSS: 9.8Exploit: None knownExposed: 0

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

TR1200 v2.4.15, TR3000 v2.4.21, WR300 v2.4.25, WR1200 v2.4.23, WR1300 v2.4.22, WR1500 v2.3.10, WR3000 v2.4.19, WR3600 v2.3.16, and WR6500 v2.3.15 were discovered to contain a command injection vulnerability in the system.upgrade_check interface. This vulnerability allows attackers to execute arbitrary commands as root via a crafted input.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
60(Track)
EG Risk 60/100SSVC: 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%
Exploitation3% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
3%
EPSS %ILE
85%
KEV
Not listed

Published

July 31, 2026

Last Modified

August 31, 2026

Advisory Details (1)

Auto-updated Sep 14, 2026
No patch confirmed yet.
generic

Cudy-SA-26-7-7KJW1B

https://www.cudy.com/pages/security-advisory/cudy-sa-26-7-7-kjw-1-b

Vendor Advisories for CVE-2026-38711(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 34× in last 7d / 170× 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 339 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-38711?
CVE-2026-38711 is a critical vulnerability published on July 31, 2026. TR1200 v2.4.15, TR3000 v2.4.21, WR300 v2.4.25, WR1200 v2.4.23, WR1300 v2.4.22, WR1500 v2.3.10, WR3000 v2.4.19, WR3600 v2.3.16, and WR6500 v2.3.15 were discovered to contain a command injection vulnerability in the system.upgrade_check interface. This vulnerability allows attackers to execute…
When was CVE-2026-38711 disclosed?
CVE-2026-38711 was first published in the National Vulnerability Database on July 31, 2026, with the most recent update on August 31, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-38711 actively exploited?
CVE-2026-38711 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 3% probability of exploitation in the next 30 days, which ranks it in the top 15.2% of all scored CVEs.
What is the CVSS score of CVE-2026-38711?
CVE-2026-38711 has a CVSS v3.1 base score of 9.8 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-38711?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-38711, 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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