CVE-2026-19891

LOWPre-NVD 3.73.7—
EchelonGraph scoreMEDIUM confidence

Score 3.7 from GitHub Security Advisory published 2026-08-15. A secondary CVSS source baseline 3.7; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
3.7EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.2%CVSS: 3.7Exploit: None knownExposed 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 determined in TRENDnet TEW-WLC100 2.05b02. This affects an unknown function of the file /etc/racoon.conf of the component IKE Phase 1 Aggressive Mode. This manipulation of the argument exchange_mode causes missing encryption of sensitive data. It is possible to initiate the attack remotely. The complexity of an attack is rather high. The exploitability is reported as difficult. The vendor was contacted early about this disclosure.

CVSS v3
3.7
EG Score
3.7LOWmedium confidence
EG Risk
21
EG Risk 21/100CISA 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
Severity37% × 45%
Exploitation0% × 40%
Automatability30% × 15%
CISA SSVC: Track at low or medium mission impact; Track or Attend at high (mission-essential systems).
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
0.2%
EPSS %ILE
6th
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Track or Attend at high (mission-essential systems).

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 none (no KEV listing, exploit record or EPSS ≥ 50%) · Automatable unknown (not published for this CVE) · Technical impact partial (CVSS below 9.0). 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 15, 2026

Last Modified

August 20, 2026

References (5)

Vendor Advisories for CVE-2026-19891(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 8× in last 7d / 36× 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. 2026-10-04 23:21 UTCEPSS rescore
  2. 2026-10-04 13:23 UTCEG score recompute
  3. 2026-10-04 13:23 UTCGHSA enrichment
  4. 2026-10-01 19:49 UTCEPSS rescore
  5. 2026-10-01 09:46 UTCEG score recompute
  6. 2026-10-01 09:46 UTCGHSA enrichment
  7. 2026-09-30 15:03 UTCEPSS rescore
  8. 2026-09-29 15:20 UTCEPSS rescore
  9. 2026-09-28 13:51 UTCEPSS rescore
  10. 2026-09-28 06:01 UTCEG score recompute
  11. 2026-09-28 06:01 UTCGHSA enrichment
  12. 2026-09-27 13:47 UTCEPSS rescore
  13. 2026-09-26 15:58 UTCEPSS rescore
  14. 2026-09-25 02:29 UTCEG score recompute
  15. 2026-09-25 02:29 UTCGHSA enrichment
  16. 2026-09-21 20:31 UTCEG score recompute
  17. 2026-09-21 20:31 UTCGHSA enrichment
  18. 2026-09-18 19:27 UTCEPSS rescore
  19. 2026-09-18 16:50 UTCEG score recompute
  20. 2026-09-18 16:50 UTCGHSA enrichment
  21. 2026-09-16 14:07 UTCEPSS rescore
  22. 2026-09-16 05:14 UTCEPSS rescore
  23. 2026-09-15 11:53 UTCEG score recompute
  24. 2026-09-15 11:53 UTCGHSA enrichment
  25. 2026-09-13 16:46 UTCEPSS rescore
Show 42 more
  1. 2026-09-12 15:00 UTCEPSS rescore
  2. 2026-09-12 07:27 UTCEG score recompute
  3. 2026-09-12 07:27 UTCGHSA enrichment
  4. 2026-09-11 14:52 UTCEPSS rescore
  5. 2026-09-11 09:36 UTCEPSS rescore
  6. 2026-09-10 09:34 UTCEPSS rescore
  7. 2026-09-09 03:55 UTCEG score recompute
  8. 2026-09-09 03:54 UTCGHSA enrichment
  9. 2026-09-08 22:00 UTCEPSS rescore
  10. 2026-09-07 16:01 UTCEPSS rescore
  11. 2026-09-06 13:47 UTCEPSS rescore
  12. 2026-09-05 07:20 UTCEG score recompute
  13. 2026-09-05 07:20 UTCGHSA enrichment
  14. 2026-09-04 05:06 UTCEPSS rescore
  15. 2026-09-02 03:47 UTCEG score recompute
  16. 2026-09-02 03:47 UTCGHSA enrichment
  17. 2026-09-01 13:53 UTCEPSS rescore
  18. 2026-09-01 04:39 UTCEPSS rescore
  19. 2026-08-30 19:17 UTCEPSS rescore
  20. 2026-08-30 01:22 UTCEPSS rescore
  21. 2026-08-29 23:45 UTCEG score recompute
  22. 2026-08-29 23:45 UTCGHSA enrichment
  23. 2026-08-28 21:41 UTCEPSS rescore
  24. 2026-08-27 14:25 UTCEPSS rescore
  25. 2026-08-26 20:12 UTCEG score recompute
  26. 2026-08-26 20:12 UTCGHSA enrichment
  27. 2026-08-25 13:48 UTCEPSS rescore
  28. 2026-08-23 16:34 UTCEG score recompute
  29. 2026-08-23 16:34 UTCGHSA enrichment
  30. 2026-08-21 23:49 UTCEPSS rescore
  31. 2026-08-20 22:55 UTCEPSS rescore
  32. 2026-08-20 13:02 UTCEG score recompute
  33. 2026-08-20 13:02 UTCGHSA enrichment
  34. 2026-08-19 17:03 UTCEPSS rescore
  35. 2026-08-18 13:48 UTCEPSS rescore
  36. 2026-08-17 16:25 UTCEG score recompute
  37. 2026-08-17 16:25 UTCGHSA enrichment
  38. 2026-08-17 13:47 UTCEPSS rescore
  39. 2026-08-16 14:56 UTCEPSS rescore
  40. 2026-08-15 11:26 UTCEG score recompute
  41. 2026-08-15 11:08 UTCEG score recompute
  42. 2026-08-15 11:06 UTCMITRE cvelistV5first tracked

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Frequently asked(5)

What is CVE-2026-19891?
CVE-2026-19891 is a low vulnerability published on August 15, 2026. A vulnerability was determined in TRENDnet TEW-WLC100 2.05b02. This affects an unknown function of the file /etc/racoon.conf of the component IKE Phase 1 Aggressive Mode. This manipulation of the argument exchange_mode causes missing encryption of sensitive data. It is possible to initiate the…
When was CVE-2026-19891 disclosed?
CVE-2026-19891 was first published on August 15, 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-2026-19891 actively exploited?
CVE-2026-19891 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.2% probability of exploitation in the next 30 days (6th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-19891?
CVE-2026-19891 has a CVSS base score of 3.7 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-19891?
No fix for CVE-2026-19891 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-2026-19891 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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