CVE-2026-15483

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 weekElevated
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: Elevated riskExposed: 0

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

A security vulnerability has been detected in TRENDnet TEW-821DAP 1.12B01. Impacted is the function sub_41EC14 of the file /goform/tools_nslookup of the component ssi. The manipulation of the argument nslookup_target leads to buffer overflow. It is possible to initiate 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
56(Track*)
EG Risk 56/100SSVC: 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%
Exploitation40% × 40%
Automatability0% × 15%
Action: Watch closely — could escalate to Attend.
EPSS PROB
1%
EPSS %ILE
53%
KEV
Not listed

Published

July 12, 2026

Last Modified

July 15, 2026

Advisory Details (1)

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

IOT_Firmware_Update/Trendnet/TEW-821DAP_BO2.md at main · IOTRes/IOT_Firmware_Update · GitHub

https://github.com/IOTRes/IOT_Firmware_Update/blob/main/Trendnet/TEW-821DAP_BO2.md

Vendor Advisories for CVE-2026-15483(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 20× in last 7d / 116× 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 168 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-15483?
CVE-2026-15483 is a high vulnerability published on July 12, 2026. A security vulnerability has been detected in TRENDnet TEW-821DAP 1.12B01. Impacted is the function sub41EC14 of the file /goform/toolsnslookup of the component ssi. The manipulation of the argument nslookup_target leads to buffer overflow. It is possible to initiate the attack remotely. The vendor…
When was CVE-2026-15483 disclosed?
CVE-2026-15483 was first published in the National Vulnerability Database on July 12, 2026, with the most recent update on July 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-15483 actively exploited?
CVE-2026-15483 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-2026-15483?
CVE-2026-15483 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2026-15483?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-15483, 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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