CVE-2026-36779

HIGHPre-NVD 7.57.5—
EchelonGraph scoreHIGH confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-06-09. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
7.5
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.5Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Shenzhen Tenda Technology Co., Ltd Tenda O3 Wireless Router v1.0.0.5(4180) was discovered to contain multiple stack overflows in the fromVirtualSer function via the puVar2, puVar1, __s2, __s1_00, and puVar3 parameters. These vulnerabilities allow attackers to cause a Denial of Service (DoS) via a crafted HTTP request.

CVSS v3
7.5
EG Score
7.5(high)
EPSS
31.8%
KEV
Not listed

Published

June 9, 2026

Last Modified

June 10, 2026

Advisory Details (1)

Auto-updated Jun 10, 2026
No patch confirmed yet.
generic

SemVulLLM/O3/fromVirtualSer at main · xhh0124/SemVulLLM · GitHub

https://github.com/xhh0124/SemVulLLM/tree/main/O3/fromVirtualSer

Vendor Advisories for CVE-2026-36779(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 30× in last 7d / 128× 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 128 total refreshes for this CVE.

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

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Frequently asked(5)

What is CVE-2026-36779?
CVE-2026-36779 is a high vulnerability published on June 9, 2026. Shenzhen Tenda Technology Co., Ltd Tenda O3 Wireless Router v1.0.0.5(4180) was discovered to contain multiple stack overflows in the fromVirtualSer function via the puVar2, puVar1, s2, s1_00, and puVar3 parameters. These vulnerabilities allow attackers to cause a Denial of Service (DoS) via a…
When was CVE-2026-36779 disclosed?
CVE-2026-36779 was first published in the National Vulnerability Database on June 9, 2026, with the most recent update on June 10, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-36779 actively exploited?
CVE-2026-36779 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 31.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-36779?
CVE-2026-36779 has a CVSS v3.1 base score of 7.5 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-36779?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-36779, 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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