CVE-2026-38711

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreHIGH 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(high)
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
84%
KEV
Not listed

Published

July 31, 2026

Last Modified

August 3, 2026

Advisory Details (1)

Auto-updated Aug 17, 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 58× in last 7d / 152× 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 152 total refreshes for this CVE.

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

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 3, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-38711 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 15.8% 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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