CVE-2026-12218

HIGHPre-NVD 8.08.0—
EchelonGraph scoreMEDIUM confidence

Score 8.0 from GitHub Security Advisory (severity: HIGH) published 2026-06-15. a secondary CVSS source baseline 8.0; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
8.0EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.0Exploit: Elevated riskExposed: 0

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

A vulnerability was detected in Yealink SIP-T46U 108.87.50.1. The affected element is the function StartReportInformation of the file /api/inner/beforewifitest of the component Web FastCGI Service. The manipulation of the argument port results in stack-based buffer overflow. Access to the local network is required for this attack. The exploit is now public and may be used. The vendor was contacted early about this disclosure and is working on a patch to fix it.

CVSS v3
8.0
EG Score
8.0(medium)
EG Risk
52(Track*)
EG Risk 52/100SSVC: 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
Severity80% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Watch closely — could escalate to Attend.
EPSS PROB
0%
EPSS %ILE
31%
KEV
Not listed

Published

June 15, 2026

Last Modified

July 24, 2026

References (5)

Vendor Advisories for CVE-2026-12218(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 / 42× 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 232 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-12218?
CVE-2026-12218 is a high vulnerability published on June 15, 2026. A vulnerability was detected in Yealink SIP-T46U 108.87.50.1. The affected element is the function StartReportInformation of the file /api/inner/beforewifitest of the component Web FastCGI Service. The manipulation of the argument port results in stack-based buffer overflow. Access to the local…
When was CVE-2026-12218 disclosed?
CVE-2026-12218 was first published in the National Vulnerability Database on June 15, 2026, with the most recent update on July 24, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-12218 actively exploited?
CVE-2026-12218 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 69.4% of all scored CVEs.
What is the CVSS score of CVE-2026-12218?
CVE-2026-12218 has a CVSS v3 base score of 8.0 (NVD).
How do I remediate CVE-2026-12218?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-12218, 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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