CVE-2026-11523

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 flaw has been found in Tenda W20E 15.11.0.6. This issue affects the function formPortalAuth of the file /goform/PortalAuth of the component Web Management Interface. Executing a manipulation of the argument gotoUrl can lead to stack-based buffer overflow. The attack can be launched remotely. The exploit has been published 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
38%
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

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

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

Vendor Advisories for CVE-2026-11523(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 14× in last 7d / 64× 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 121 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-11523?
CVE-2026-11523 is a high vulnerability published on June 8, 2026. A flaw has been found in Tenda W20E 15.11.0.6. This issue affects the function formPortalAuth of the file /goform/PortalAuth of the component Web Management Interface. Executing a manipulation of the argument gotoUrl can lead to stack-based buffer overflow. The attack can be launched remotely. The…
When was CVE-2026-11523 disclosed?
CVE-2026-11523 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-2026-11523 actively exploited?
CVE-2026-11523 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 62.2% of all scored CVEs.
What is the CVSS score of CVE-2026-11523?
CVE-2026-11523 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2026-11523?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-11523, 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

Explore the affected products and dependency analysis for CVE-2026-11523

Explore →

Is Your Infrastructure Affected by CVE-2026-11523?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs