CVE-2026-8776

HIGHNVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-05-18. NVD baseline CVSS 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
8.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 8.8Exploit: NoneExposed: 0

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

A vulnerability has been found in Edimax BR-6428NS 1.10. This vulnerability affects the function formPPTPSetup of the file /goform/formPPTPSetup of the component POST Request Handler. Such manipulation of the argument pptpUserName leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS v3
8.8
EG Score
8.8(medium)
EPSS
36.0%
KEV
Not listed

Published

May 18, 2026

Last Modified

May 18, 2026

Advisory Details (1)

Auto-updated May 18, 2026
No patch confirmed yet.
generic

Notion

https://lavender-bicycle-a5a.notion.site/EDIMAX-BR-6428NS-formPPTPSetup-34b53a41781f8074a88af068842b599e?source=copy_link

Vendor Advisories for CVE-2026-8776(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 7× in last 7d / 53× 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 140 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-8776?
CVE-2026-8776 is a high vulnerability published on May 18, 2026. A vulnerability has been found in Edimax BR-6428NS 1.10. This vulnerability affects the function formPPTPSetup of the file /goform/formPPTPSetup of the component POST Request Handler. Such manipulation of the argument pptpUserName leads to buffer overflow. It is possible to launch the attack…
When was CVE-2026-8776 disclosed?
CVE-2026-8776 was first published in the National Vulnerability Database on May 18, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-8776 actively exploited?
CVE-2026-8776 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 36.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-8776?
CVE-2026-8776 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2026-8776?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-8776, 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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