CVE-2026-9429

HIGHNVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-05-26. NVD baseline CVSS 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%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 found in Tenda F1202 1.2.0.20(408). Affected by this vulnerability is the function formWrlExtraSet of the file /goform/WrlExtraSet. Performing a manipulation of the argument delno results in stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been made public and could 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
1%
EPSS %ILE
46%
KEV
Not listed

Published

May 25, 2026

Last Modified

July 23, 2026

Advisory Details (2)

Auto-updated Jun 2, 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

vuldb_new2/F1202/vul_31/README.md at main · Litengzheng/vuldb_new2 · GitHub

https://github.com/Litengzheng/vuldb_new2/blob/main/F1202/vul_31/README.md

Vendor Advisories for CVE-2026-9429(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 7× in last 7d / 34× 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 209 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-9429?
CVE-2026-9429 is a high vulnerability published on May 25, 2026. A vulnerability was found in Tenda F1202 1.2.0.20(408). Affected by this vulnerability is the function formWrlExtraSet of the file /goform/WrlExtraSet. Performing a manipulation of the argument delno results in stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit…
When was CVE-2026-9429 disclosed?
CVE-2026-9429 was first published in the National Vulnerability Database on May 25, 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-2026-9429 actively exploited?
CVE-2026-9429 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 54.1% of all scored CVEs.
What is the CVSS score of CVE-2026-9429?
CVE-2026-9429 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2026-9429?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-9429, 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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