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
40%
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 8× in last 7d / 39× 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 241 total refreshes for this CVE.

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

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 60.1% 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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