CVE-2026-15484

HIGHPre-NVD 8.88.8
EchelonGraph scoreMEDIUM confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-07-12. a secondary CVSS source baseline 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 8.8Exploit: None knownExposed: 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-821DAP 1.12B01. The affected element is the function sub_41EC14 of the file /goform/tools_nslookup of the component ssi. The manipulation results in buffer overflow. It is possible to launch the attack remotely. The vendor explains: "We are unable to confirm the existence of the vulnerabilities for (...) TEW-821DAP (v1.0R) as these items have been EOL. " This vulnerability only affects products that are no longer supported by the maintainer.

CVSS v3
8.8
EG Score
8.8(medium)
EG Risk
40(Track)
EG Risk 40/100SSVC: 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
Severity88% × 45%
Exploitation1% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
53%
KEV
Not listed

Published

July 12, 2026

Last Modified

July 13, 2026

Advisory Details (1)

Auto-updated Jul 12, 2026
No patch confirmed yet.
generic

IOT_Firmware_Update/Trendnet/TEW-821DAP_BO3.md at main · IOTRes/IOT_Firmware_Update · GitHub

https://github.com/IOTRes/IOT_Firmware_Update/blob/main/Trendnet/TEW-821DAP_BO3.md

Vendor Advisories for CVE-2026-15484(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 19× in last 7d / 112× 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 162 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-15484?
CVE-2026-15484 is a high vulnerability published on July 12, 2026. A vulnerability was detected in TRENDnet TEW-821DAP 1.12B01. The affected element is the function sub41EC14 of the file /goform/toolsnslookup of the component ssi. The manipulation results in buffer overflow. It is possible to launch the attack remotely. The vendor explains: "We are unable to…
When was CVE-2026-15484 disclosed?
CVE-2026-15484 was first published in the National Vulnerability Database on July 12, 2026, with the most recent update on July 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-15484 actively exploited?
CVE-2026-15484 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 46.7% of all scored CVEs.
What is the CVSS score of CVE-2026-15484?
CVE-2026-15484 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2026-15484?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-15484, 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

Explore the affected products and dependency analysis for CVE-2026-15484

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