CVE-2026-75784

CRITICALPre-NVD 10.010.0—
EchelonGraph scoreMEDIUM confidence

Score 10.0 from GitHub Security Advisory (severity: CRITICAL) published 2026-08-18. A secondary CVSS source baseline 10.0; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
10.0EG
EchelonGraph verdictPlan mitigationSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1.1%CVSS: 10.0Exploit: Elevated riskExposed services: Not assessed

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

A vulnerability was detected in TRENDnet TEW-WLC100 1v2.07b01. Affected by this issue is the function FUN_0040da4c of the file /usr/nginx/sbin/nginx of the component HTTP Header Handler. The manipulation of the argument Server results in stack-based buffer overflow. The attack may be launched remotely. The exploit is now public and may be used.

CVSS v3
10.0
EG Score
10.0CRITICALmedium confidence
EG Risk
76
EG Risk 76/100CISA SSVC

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
Severity100% × 45%
Exploitation40% × 40%
Automatability100% × 15%
CISA SSVC: Track at low, Track* at medium and Attend at high mission impact.
Action: No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines at low or medium mission impact and sooner than that at high, and watch the vendor's advisory for the fix.
EPSS PROB
1.1%
EPSS %ILE
64th
KEV
Not listed

CISA SSVCTrack at low, Track* at medium and Attend at high mission impact.

No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines at low or medium mission impact and sooner than that at high, and watch the vendor's advisory for the fix.

Exploitation public PoC (CISA Vulnrichment) · Automatable yes (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

August 18, 2026

Last Modified

August 20, 2026

Advisory Details (2)

Auto-updated Oct 1, 2026
No patch confirmed yet.
generic

CVE/team15_20260702/02_wlc100-nginx at main · meishigana/CVE · GitHub

https://github.com/meishigana/CVE/tree/main/team15_20260702/02_wlc100-nginx
generic

CVE/team15_20260702/02_wlc100-nginx/poc/poc-nginx-overflow.py at main · meishigana/CVE · GitHub

https://github.com/meishigana/CVE/blob/main/team15_20260702/02_wlc100-nginx/poc/poc-nginx-overflow.py

Vendor Advisories for CVE-2026-75784(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 35× in last 7d / 190× 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. 2026-10-05 11:45 UTCGHSA enrichment
  2. 2026-10-05 06:08 UTCGHSA enrichment
  3. 2026-10-05 01:57 UTCGHSA enrichment
  4. 2026-10-04 21:44 UTCGHSA enrichment
  5. 2026-10-04 16:22 UTCGHSA enrichment
  6. 2026-10-04 11:43 UTCGHSA enrichment
  7. 2026-10-04 06:59 UTCGHSA enrichment
  8. 2026-10-04 03:10 UTCGHSA enrichment
  9. 2026-10-03 21:31 UTCGHSA enrichment
  10. 2026-10-03 17:41 UTCEG score recompute
  11. 2026-10-03 17:41 UTCGHSA enrichment
  12. 2026-10-03 14:26 UTCEPSS rescore
  13. 2026-10-03 00:44 UTCGHSA enrichment
  14. 2026-10-02 19:30 UTCEG score recompute
  15. 2026-10-02 19:30 UTCGHSA enrichment
  16. 2026-10-02 15:39 UTCGHSA enrichment
  17. 2026-10-02 06:54 UTCGHSA enrichment
  18. 2026-10-02 01:30 UTCEG score recompute
  19. 2026-10-02 01:30 UTCGHSA enrichment
  20. 2026-10-01 19:50 UTCEPSS rescore
  21. 2026-10-01 13:33 UTCGHSA enrichment
  22. 2026-10-01 09:42 UTCGHSA enrichment
  23. 2026-10-01 05:47 UTCGHSA enrichment
  24. 2026-10-01 01:29 UTCGHSA enrichment
  25. 2026-09-30 20:50 UTCEG score recompute
Show 75 more
  1. 2026-09-30 20:50 UTCGHSA enrichment
  2. 2026-09-30 09:52 UTCEG score recompute
  3. 2026-09-30 09:52 UTCGHSA enrichment
  4. 2026-09-29 15:24 UTCEPSS rescore
  5. 2026-09-29 06:12 UTCGHSA enrichment
  6. 2026-09-29 02:23 UTCGHSA enrichment
  7. 2026-09-28 21:56 UTCEG score recompute
  8. 2026-09-28 21:56 UTCGHSA enrichment
  9. 2026-09-28 13:52 UTCEPSS rescore
  10. 2026-09-28 12:41 UTCGHSA enrichment
  11. 2026-09-28 08:51 UTCGHSA enrichment
  12. 2026-09-28 05:01 UTCGHSA enrichment
  13. 2026-09-28 01:11 UTCGHSA enrichment
  14. 2026-09-27 21:21 UTCGHSA enrichment
  15. 2026-09-27 16:21 UTCEG score recompute
  16. 2026-09-27 16:20 UTCGHSA enrichment
  17. 2026-09-27 13:48 UTCEPSS rescore
  18. 2026-09-27 12:20 UTCGHSA enrichment
  19. 2026-09-27 07:59 UTCEG score recompute
  20. 2026-09-27 07:59 UTCGHSA enrichment
  21. 2026-09-26 15:59 UTCEPSS rescore
  22. 2026-09-26 00:28 UTCEPSS rescore
  23. 2026-09-25 09:14 UTCGHSA enrichment
  24. 2026-09-25 05:24 UTCGHSA enrichment
  25. 2026-09-25 01:33 UTCGHSA enrichment
  26. 2026-09-24 16:07 UTCEG score recompute
  27. 2026-09-24 16:07 UTCGHSA enrichment
  28. 2026-09-24 14:04 UTCEPSS rescore
  29. 2026-09-24 11:48 UTCGHSA enrichment
  30. 2026-09-24 07:58 UTCGHSA enrichment
  31. 2026-09-24 04:01 UTCGHSA enrichment
  32. 2026-09-24 00:11 UTCGHSA enrichment
  33. 2026-09-23 20:21 UTCEG score recompute
  34. 2026-09-23 20:21 UTCGHSA enrichment
  35. 2026-09-23 17:54 UTCEPSS rescore
  36. 2026-09-23 15:41 UTCGHSA enrichment
  37. 2026-09-23 11:51 UTCGHSA enrichment
  38. 2026-09-23 08:01 UTCGHSA enrichment
  39. 2026-09-23 04:07 UTCGHSA enrichment
  40. 2026-09-23 00:17 UTCGHSA enrichment
  41. 2026-09-22 20:28 UTCEG score recompute
  42. 2026-09-22 20:27 UTCGHSA enrichment
  43. 2026-09-22 16:01 UTCEPSS rescore
  44. 2026-09-22 14:00 UTCGHSA enrichment
  45. 2026-09-22 10:09 UTCGHSA enrichment
  46. 2026-09-22 06:18 UTCGHSA enrichment
  47. 2026-09-22 02:06 UTCGHSA enrichment
  48. 2026-09-21 22:15 UTCEG score recompute
  49. 2026-09-21 22:15 UTCGHSA enrichment
  50. 2026-09-21 21:09 UTCEPSS rescore
  51. 2026-09-21 18:24 UTCGHSA enrichment
  52. 2026-09-21 13:53 UTCGHSA enrichment
  53. 2026-09-21 09:58 UTCGHSA enrichment
  54. 2026-09-21 06:09 UTCGHSA enrichment
  55. 2026-09-21 02:18 UTCGHSA enrichment
  56. 2026-09-20 22:27 UTCEG score recompute
  57. 2026-09-20 22:27 UTCGHSA enrichment
  58. 2026-09-20 20:16 UTCEPSS rescore
  59. 2026-09-20 18:34 UTCGHSA enrichment
  60. 2026-09-20 14:07 UTCGHSA enrichment
  61. 2026-09-20 09:42 UTCGHSA enrichment
  62. 2026-09-20 02:42 UTCGHSA enrichment
  63. 2026-09-19 22:51 UTCGHSA enrichment
  64. 2026-09-19 18:45 UTCEG score recompute
  65. 2026-09-19 18:45 UTCGHSA enrichment
  66. 2026-09-19 14:45 UTCGHSA enrichment
  67. 2026-09-19 10:55 UTCGHSA enrichment
  68. 2026-09-19 05:35 UTCGHSA enrichment
  69. 2026-09-19 01:44 UTCGHSA enrichment
  70. 2026-09-18 21:52 UTCEG score recompute
  71. 2026-09-18 21:52 UTCGHSA enrichment
  72. 2026-09-18 19:28 UTCEPSS rescore
  73. 2026-09-18 17:10 UTCGHSA enrichment
  74. 2026-09-18 13:16 UTCGHSA enrichment
  75. 2026-09-18 09:26 UTCGHSA enrichment

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Frequently asked(5)

What is CVE-2026-75784?
CVE-2026-75784 is a critical vulnerability published on August 18, 2026. A vulnerability was detected in TRENDnet TEW-WLC100 1v2.07b01. Affected by this issue is the function FUN_0040da4c of the file /usr/nginx/sbin/nginx of the component HTTP Header Handler. The manipulation of the argument Server results in stack-based buffer overflow. The attack may be launched…
When was CVE-2026-75784 disclosed?
CVE-2026-75784 was first published on August 18, 2026, with the most recent update on August 20, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-75784 actively exploited?
CVE-2026-75784 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1.1% probability of exploitation in the next 30 days (64th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-75784?
CVE-2026-75784 has a CVSS base score of 10.0 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-75784?
No fix for CVE-2026-75784 is confirmed yet. Until one is published, restrict network exposure of the affected system or apply the vendor's mitigation — for example, keep it off the internet or limit it to trusted networks — and watch the vendor's advisory for the fix. The vendor advisories EchelonGraph has for CVE-2026-75784 are linked in the Vendor Advisories panel on this page.

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