CVE-2026-11499

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-06-08. a secondary CVSS source baseline 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 7%CVSS: 9.8Exploit: Elevated riskExposed: 0

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

A vulnerability was determined in Tenda HG7HG9 and HG10 300001138_en_xpon. This affects the function formDOMAINBLK of the file /boaform/formDOMAINBLK. Executing a manipulation of the argument blkDomain can lead to stack-based buffer overflow. The attack may be performed from remote.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
75(Track)
EG Risk 75/100SSVC: 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
Severity98% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
7%
EPSS %ILE
93%
KEV
Not listed

Published

June 8, 2026

Last Modified

July 23, 2026

Advisory Details (2)

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

腾达(Tenda) 官方网站 - 致力于建设值得信赖的好网络

https://www.tenda.com.cn/
generic

GitHub - ssaaaa1234/Tenda-HG10-formDOMAINBLK-stack-overflow-2: Stack-based buffer overflow in Tenda HG10 formDOMAINBLK via blkDomain parameter. · GitHub

https://github.com/ssaaaa1234/Tenda-HG10-formDOMAINBLK-stack-overflow-2

Vendor Advisories for CVE-2026-11499(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 / 46× 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 404 total refreshes for this CVE.

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

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 GitHub PoC). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoC0xBlackash/CVE-2026-11499
    First seen Jun 8, 2026

    CVE-2026-11499

    Open source ↗

Frequently asked(5)

What is CVE-2026-11499?
CVE-2026-11499 is a critical vulnerability published on June 8, 2026. A vulnerability was determined in Tenda HG7HG9 and HG10 300001138enxpon. This affects the function formDOMAINBLK of the file /boaform/formDOMAINBLK. Executing a manipulation of the argument blkDomain can lead to stack-based buffer overflow. The attack may be performed from remote.
When was CVE-2026-11499 disclosed?
CVE-2026-11499 was first published in the National Vulnerability Database on June 8, 2026, with the most recent update on July 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-11499 actively exploited?
CVE-2026-11499 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 7% probability of exploitation in the next 30 days, which ranks it in the top 6.6% of all scored CVEs.
What is the CVSS score of CVE-2026-11499?
CVE-2026-11499 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-11499?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-11499, 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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