CVE-2026-11557

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 weakness has been identified in Tenda F451 1.0.0.7/1.0.0.9. The affected element is the function fromNatlimit of the file /goform/Natlimit of the component Web Management Interface. Executing a manipulation of the argument page can lead to stack-based buffer overflow. The attack can be executed remotely. The exploit has been made available to the public and could be used for attacks.

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 8, 2026
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

IoT_vlu/reports/Tenda/fromNatlimit/fromNatlimit.md at main · Robots10/IoT_vlu · GitHub

https://github.com/Robots10/IoT_vlu/blob/main/reports/Tenda/fromNatlimit/fromNatlimit.md

Vendor Advisories for CVE-2026-11557(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 18× in last 7d / 65× 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 135 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-11557?
CVE-2026-11557 is a high vulnerability published on June 8, 2026. A weakness has been identified in Tenda F451 1.0.0.7/1.0.0.9. The affected element is the function fromNatlimit of the file /goform/Natlimit of the component Web Management Interface. Executing a manipulation of the argument page can lead to stack-based buffer overflow. The attack can be executed…
When was CVE-2026-11557 disclosed?
CVE-2026-11557 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-2026-11557 actively exploited?
CVE-2026-11557 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 61.4% of all scored CVEs.
What is the CVSS score of CVE-2026-11557?
CVE-2026-11557 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2026-11557?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-11557, 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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