CVE-2026-9431

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
Trending — 4 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 identified in Tenda F1202 1.2.0.20(408). This affects the function fromPptpUserAdd of the file /goform/PptpUserAdd. The manipulation of the argument opttype leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit is publicly available and might 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
36%
KEV
Not listed

Published

May 25, 2026

Last Modified

July 23, 2026

Advisory Details (2)

Auto-updated Jun 3, 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_35/README.md at main · Litengzheng/vuldb_new2 · GitHub

https://github.com/Litengzheng/vuldb_new2/blob/main/F1202/vul_35/README.md

Vendor Advisories for CVE-2026-9431(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 12× 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 114 total refreshes for this CVE.

  1. 2026-07-27 14:14 UTCEPSS rescore
  2. 2026-07-26 14:54 UTCEPSS rescore
  3. 2026-07-26 08:00 UTCEG score recompute
  4. 2026-07-26 08:00 UTCGHSA enrichment
  5. 2026-07-25 14:18 UTCEPSS rescore
  6. 2026-07-24 14:18 UTCEPSS rescore
  7. 2026-07-23 14:18 UTCEPSS rescore
  8. 2026-07-23 11:51 UTCNVD updateCVSS v4 → 7.4
  9. 2026-07-23 03:23 UTCEG score recompute
  10. 2026-07-22 14:08 UTCEPSS rescore
  11. 2026-07-21 15:25 UTCEPSS rescore
  12. 2026-07-21 15:25 UTCEPSS rescore
  13. 2026-07-20 17:08 UTCEPSS rescore
  14. 2026-07-19 14:31 UTCEPSS rescore
  15. 2026-07-19 02:29 UTCEPSS rescore
  16. 2026-07-18 10:04 UTCEPSS rescore
  17. 2026-07-16 17:03 UTCEPSS rescore
  18. 2026-07-15 16:57 UTCEPSS rescore
  19. 2026-07-15 02:00 UTCEPSS rescore
  20. 2026-07-13 22:31 UTCEPSS rescore
  21. 2026-07-13 06:13 UTCEPSS rescore
  22. 2026-07-12 05:46 UTCEPSS rescore
  23. 2026-07-11 08:27 UTCEPSS rescore
  24. 2026-07-09 19:10 UTCEPSS rescore
  25. 2026-07-08 15:16 UTCEPSS rescore
Show 75 more
  1. 2026-07-07 13:46 UTCEPSS rescore
  2. 2026-07-06 16:27 UTCEPSS rescore
  3. 2026-07-06 02:23 UTCEPSS rescore
  4. 2026-07-05 02:31 UTCEPSS rescore
  5. 2026-07-04 06:31 UTCEPSS rescore
  6. 2026-07-04 06:31 UTCEPSS rescore
  7. 2026-07-01 15:07 UTCEPSS rescore
  8. 2026-06-30 23:22 UTCEPSS rescore
  9. 2026-06-29 16:22 UTCGHSA enrichment
  10. 2026-06-29 14:06 UTCEPSS rescore
  11. 2026-06-29 02:20 UTCGHSA enrichment
  12. 2026-06-28 14:07 UTCEPSS rescore
  13. 2026-06-28 07:43 UTCGHSA enrichment
  14. 2026-06-28 04:56 UTCEPSS rescore
  15. 2026-06-27 19:14 UTCGHSA enrichment
  16. 2026-06-27 07:14 UTCGHSA enrichment
  17. 2026-06-27 03:08 UTCEPSS rescore
  18. 2026-06-26 18:58 UTCGHSA enrichment
  19. 2026-06-26 03:06 UTCGHSA enrichment
  20. 2026-06-25 13:50 UTCEPSS rescore
  21. 2026-06-25 13:42 UTCGHSA enrichment
  22. 2026-06-24 14:05 UTCEPSS rescore
  23. 2026-06-23 21:33 UTCEPSS rescore
  24. 2026-06-22 14:25 UTCEPSS rescore
  25. 2026-06-21 14:56 UTCEPSS rescore
  26. 2026-06-21 01:59 UTCEPSS rescore
  27. 2026-06-19 19:26 UTCEPSS rescore
  28. 2026-06-18 17:52 UTCEPSS rescore
  29. 2026-06-17 19:50 UTCGHSA enrichment
  30. 2026-06-17 17:53 UTCEPSS rescore
  31. 2026-06-17 08:21 UTCGHSA enrichment
  32. 2026-06-16 19:14 UTCGHSA enrichment
  33. 2026-06-16 17:53 UTCEPSS rescore
  34. 2026-06-16 02:15 UTCGHSA enrichment
  35. 2026-06-15 17:49 UTCEPSS rescore
  36. 2026-06-15 17:49 UTCEPSS rescore
  37. 2026-06-15 14:44 UTCGHSA enrichment
  38. 2026-06-15 00:29 UTCGHSA enrichment
  39. 2026-06-14 23:18 UTCEPSS rescore
  40. 2026-06-14 13:06 UTCGHSA enrichment
  41. 2026-06-14 01:45 UTCGHSA enrichment
  42. 2026-06-13 23:00 UTCEPSS rescore
  43. 2026-06-13 14:20 UTCGHSA enrichment
  44. 2026-06-13 02:58 UTCGHSA enrichment
  45. 2026-06-12 23:12 UTCEPSS rescore
  46. 2026-06-12 23:12 UTCEPSS rescore
  47. 2026-06-12 15:36 UTCGHSA enrichment
  48. 2026-06-12 04:03 UTCGHSA enrichment
  49. 2026-06-11 16:41 UTCGHSA enrichment
  50. 2026-06-11 14:00 UTCEPSS rescore
  51. 2026-06-11 04:04 UTCGHSA enrichment
  52. 2026-06-10 22:19 UTCEPSS rescore
  53. 2026-06-10 16:42 UTCGHSA enrichment
  54. 2026-06-10 13:22 UTCEPSS rescore
  55. 2026-06-10 05:20 UTCGHSA enrichment
  56. 2026-06-09 17:58 UTCGHSA enrichment
  57. 2026-06-09 06:37 UTCGHSA enrichment
  58. 2026-06-08 19:14 UTCGHSA enrichment
  59. 2026-06-08 14:17 UTCEPSS rescore
  60. 2026-06-08 04:48 UTCGHSA enrichment
  61. 2026-06-07 17:27 UTCGHSA enrichment
  62. 2026-06-07 15:25 UTCEPSS rescore
  63. 2026-06-07 06:06 UTCGHSA enrichment
  64. 2026-06-06 18:44 UTCGHSA enrichment
  65. 2026-06-06 13:47 UTCEPSS rescore
  66. 2026-06-06 07:22 UTCGHSA enrichment
  67. 2026-06-05 22:47 UTCEPSS rescore
  68. 2026-06-05 20:00 UTCGHSA enrichment
  69. 2026-06-05 08:39 UTCGHSA enrichment
  70. 2026-06-05 06:10 UTCEPSS rescore
  71. 2026-06-04 21:17 UTCGHSA enrichment
  72. 2026-06-04 13:12 UTCEPSS rescore
  73. 2026-06-04 09:55 UTCGHSA enrichment
  74. 2026-06-03 22:33 UTCGHSA enrichment
  75. 2026-06-03 11:11 UTCGHSA enrichment

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-9431?
CVE-2026-9431 is a high vulnerability published on May 25, 2026. A vulnerability was identified in Tenda F1202 1.2.0.20(408). This affects the function fromPptpUserAdd of the file /goform/PptpUserAdd. The manipulation of the argument opttype leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit is publicly available and might be…
When was CVE-2026-9431 disclosed?
CVE-2026-9431 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-2026-9431 actively exploited?
CVE-2026-9431 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 64.2% of all scored CVEs.
What is the CVSS score of CVE-2026-9431?
CVE-2026-9431 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2026-9431?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-9431, 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-2026-9431

Explore →

Is Your Infrastructure Affected by CVE-2026-9431?

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

Start Free Scan →Browse All CVEs