CVE-2026-11504

HIGHPre-NVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-06-08. 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: 0%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 vulnerability was detected in Tenda CX12L 16.03.53.12. The impacted element is the function setSchedWifi of the file /goform/openSchedWifi of the component Wi-Fi Schedule Configuration Endpoint. Performing a manipulation of the argument schedStartTime/schedEndTime results in stack-based buffer overflow. The attack may be initiated remotely. The exploit is now public and may be used.

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
0%
EPSS %ILE
39%
KEV
Not listed

Published

June 8, 2026

Last Modified

July 23, 2026

Advisory Details (2)

Auto-updated Jun 9, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic

腾达(Tenda) 腾达中文网站 - 致力于建设值得信赖的好网络

https://www.tenda.com.cn/
generic🟡 PoC Available

Tenda Router CX12L V16.03.53.12 - Stack-based Buffer Overflow in `/goform/openSchedWifi` · Issue #2 · cve-a/moist · GitHub

https://github.com/cve-a/moist/issues/2

Vendor Advisories for CVE-2026-11504(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 / 37× 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 240 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-11504?
CVE-2026-11504 is a high vulnerability published on June 8, 2026. A vulnerability was detected in Tenda CX12L 16.03.53.12. The impacted element is the function setSchedWifi of the file /goform/openSchedWifi of the component Wi-Fi Schedule Configuration Endpoint. Performing a manipulation of the argument schedStartTime/schedEndTime results in stack-based buffer…
When was CVE-2026-11504 disclosed?
CVE-2026-11504 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-2026-11504 actively exploited?
CVE-2026-11504 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 60.9% of all scored CVEs.
What is the CVSS score of CVE-2026-11504?
CVE-2026-11504 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2026-11504?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-11504, 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.

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