CVE-2026-75784

CRITICALPre-NVD 10.010.0—
EchelonGraph scoreHIGH 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 — 5 sources updated this weekElevated
10.0EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 10.0Exploit: 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 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
10.0(high)
EG Risk
76(Attend)
EG Risk 76/100SSVC: Attend

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%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
1%
EPSS %ILE
61%
KEV
Not listed

Published

August 18, 2026

Last Modified

August 20, 2026

Advisory Details (2)

Auto-updated Aug 20, 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 31× in last 7d / 31× 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.

  1. 2026-08-21 05:49 UTCGHSA enrichment
  2. 2026-08-21 01:59 UTCEG score recompute
  3. 2026-08-21 01:59 UTCGHSA enrichment
  4. 2026-08-20 22:56 UTCEPSS rescore
  5. 2026-08-20 22:09 UTCGHSA enrichment
  6. 2026-08-20 18:18 UTCEG score recompute
  7. 2026-08-20 18:18 UTCGHSA enrichment
  8. 2026-08-20 18:17 UTCNVD updateCVSS v4 → 9.3
  9. 2026-08-20 17:32 UTCEG score recompute
  10. 2026-08-20 17:32 UTCGHSA enrichment
  11. 2026-08-20 17:31 UTCMITRE cvelistV5CVSS v4 → 10
  12. 2026-08-20 16:47 UTCGHSA enrichment
  13. 2026-08-20 12:55 UTCGHSA enrichment
  14. 2026-08-20 09:43 UTCGHSA enrichment
  15. 2026-08-20 05:54 UTCGHSA enrichment
  16. 2026-08-20 02:04 UTCGHSA enrichment
  17. 2026-08-19 22:14 UTCGHSA enrichment
  18. 2026-08-19 18:24 UTCEG score recompute
  19. 2026-08-19 18:24 UTCGHSA enrichment
  20. 2026-08-19 17:04 UTCEPSS rescore
  21. 2026-08-19 14:34 UTCGHSA enrichment
  22. 2026-08-19 10:33 UTCGHSA enrichment
  23. 2026-08-19 06:42 UTCGHSA enrichment
  24. 2026-08-19 02:50 UTCGHSA enrichment
  25. 2026-08-18 22:59 UTCGHSA enrichment
Show 6 more
  1. 2026-08-18 19:10 UTCEG score recompute
  2. 2026-08-18 19:10 UTCGHSA enrichment
  3. 2026-08-18 15:20 UTCEG score recompute
  4. 2026-08-18 15:19 UTCNVD updateCVSS v4 → 9.3
  5. 2026-08-18 14:25 UTCEG score recompute
  6. 2026-08-18 14:19 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

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 in the National Vulnerability Database 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% probability of exploitation in the next 30 days, which ranks it in the top 39.2% of all scored CVEs.
What is the CVSS score of CVE-2026-75784?
CVE-2026-75784 has a CVSS v3 base score of 10.0 (NVD).
How do I remediate CVE-2026-75784?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-75784, 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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