CVE-2026-12223

MEDIUMPre-NVD 5.55.5
EchelonGraph scoreHIGH confidence

Score 5.5 from GitHub Security Advisory (severity: LOW) published 2026-06-15. a secondary CVSS source baseline 5.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
5.5
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 1%CVSS: 5.5Exploit: NoneExposed: 0

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

A vulnerability was identified in Yealink SIP-T46U 108.86.0.118. Affected by this vulnerability is the function mod_webd.TFTPUploadIperf of the file /api/inner/tftpuploadiperf of the component Web FastCGI Service. The manipulation of the argument ip/port leads to command injection. The attack needs to be initiated within the local network. The exploit is publicly available and might be used. Upgrading to version 108.87.0.23 addresses this issue. Upgrading the affected component is recommended. The vendor explains: "It has been fixed (...) for our technical support branch. However, please note that this specific support branch firmware is not publicly released yet."

CVSS v3
5.5
EG Score
5.5(high)
EPSS
64.3%
KEV
Not listed

Published

June 15, 2026

Last Modified

June 27, 2026

Vendor Advisories for CVE-2026-12223(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 22× in last 7d / 76× 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.

  1. 2026-07-07 00:30 UTCEG score recompute
  2. 2026-07-07 00:30 UTCGHSA enrichment
  3. 2026-07-06 16:27 UTCEPSS rescore
  4. 2026-07-06 02:23 UTCEPSS rescore
  5. 2026-07-05 09:27 UTCEG score recompute
  6. 2026-07-05 09:27 UTCGHSA enrichment
  7. 2026-07-05 02:30 UTCEPSS rescore
  8. 2026-07-05 02:30 UTCEPSS rescore
  9. 2026-07-04 10:08 UTCEG score recompute
  10. 2026-07-04 10:08 UTCGHSA enrichment
  11. 2026-07-04 06:31 UTCEPSS rescore
  12. 2026-07-03 07:21 UTCEG score recompute
  13. 2026-07-03 07:21 UTCGHSA enrichment
  14. 2026-07-02 05:38 UTCEG score recompute
  15. 2026-07-02 05:38 UTCGHSA enrichment
  16. 2026-07-01 15:06 UTCEPSS rescore
  17. 2026-07-01 15:06 UTCEPSS rescore
  18. 2026-07-01 07:00 UTCEG score recompute
  19. 2026-07-01 07:00 UTCGHSA enrichment
  20. 2026-06-30 23:22 UTCEPSS rescore
  21. 2026-06-30 08:22 UTCEG score recompute
  22. 2026-06-30 08:22 UTCGHSA enrichment
  23. 2026-06-29 14:06 UTCEPSS rescore
  24. 2026-06-29 09:44 UTCEG score recompute
  25. 2026-06-29 09:44 UTCGHSA enrichment
Show 51 more
  1. 2026-06-28 14:07 UTCEPSS rescore
  2. 2026-06-28 11:01 UTCEG score recompute
  3. 2026-06-28 11:01 UTCGHSA enrichment
  4. 2026-06-28 04:56 UTCEPSS rescore
  5. 2026-06-28 04:56 UTCEPSS rescore
  6. 2026-06-27 12:23 UTCEG score recompute
  7. 2026-06-27 12:23 UTCGHSA enrichment
  8. 2026-06-27 07:35 UTCNVD updateCVSS v4 → 2
  9. 2026-06-27 06:04 UTCMITRE cvelistV5CVSS v4 → 5.1
  10. 2026-06-27 03:08 UTCEPSS rescore
  11. 2026-06-26 13:45 UTCEG score recompute
  12. 2026-06-26 13:45 UTCGHSA enrichment
  13. 2026-06-25 15:07 UTCEG score recompute
  14. 2026-06-25 15:07 UTCGHSA enrichment
  15. 2026-06-25 13:49 UTCEPSS rescore
  16. 2026-06-24 16:29 UTCEG score recompute
  17. 2026-06-24 16:29 UTCGHSA enrichment
  18. 2026-06-24 14:05 UTCEPSS rescore
  19. 2026-06-23 21:32 UTCEPSS rescore
  20. 2026-06-23 17:50 UTCEG score recompute
  21. 2026-06-23 17:50 UTCGHSA enrichment
  22. 2026-06-22 19:10 UTCEG score recompute
  23. 2026-06-22 19:09 UTCGHSA enrichment
  24. 2026-06-21 20:30 UTCEG score recompute
  25. 2026-06-21 20:29 UTCGHSA enrichment
  26. 2026-06-21 14:56 UTCEPSS rescore
  27. 2026-06-21 14:56 UTCEPSS rescore
  28. 2026-06-21 01:59 UTCEPSS rescore
  29. 2026-06-21 01:59 UTCEPSS rescore
  30. 2026-06-20 21:49 UTCEG score recompute
  31. 2026-06-20 21:49 UTCGHSA enrichment
  32. 2026-06-19 23:12 UTCEG score recompute
  33. 2026-06-19 23:12 UTCGHSA enrichment
  34. 2026-06-19 19:25 UTCEPSS rescore
  35. 2026-06-19 00:33 UTCEG score recompute
  36. 2026-06-19 00:32 UTCGHSA enrichment
  37. 2026-06-18 17:52 UTCEPSS rescore
  38. 2026-06-18 01:52 UTCEG score recompute
  39. 2026-06-18 01:52 UTCGHSA enrichment
  40. 2026-06-17 17:53 UTCEPSS rescore
  41. 2026-06-17 03:14 UTCEG score recompute
  42. 2026-06-17 03:14 UTCGHSA enrichment
  43. 2026-06-16 17:52 UTCEPSS rescore
  44. 2026-06-16 04:36 UTCEG score recompute
  45. 2026-06-16 04:36 UTCGHSA enrichment
  46. 2026-06-15 21:45 UTCNVD updateCVSS v4 → 2
  47. 2026-06-15 17:48 UTCEPSS rescore
  48. 2026-06-15 12:03 UTCMITRE cvelistV5CVSS v4 → 5.1
  49. 2026-06-15 07:25 UTCNVD updateCVSS v4 → 2
  50. 2026-06-15 05:58 UTCEG score recompute
  51. 2026-06-15 05:58 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-12223?
CVE-2026-12223 is a medium vulnerability published on June 15, 2026. A vulnerability was identified in Yealink SIP-T46U 108.86.0.118. Affected by this vulnerability is the function mod_webd.TFTPUploadIperf of the file /api/inner/tftpuploadiperf of the component Web FastCGI Service. The manipulation of the argument ip/port leads to command injection. The attack needs…
When was CVE-2026-12223 disclosed?
CVE-2026-12223 was first published in the National Vulnerability Database on June 15, 2026, with the most recent update on June 27, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-12223 actively exploited?
CVE-2026-12223 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 64.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-12223?
CVE-2026-12223 has a CVSS v3 base score of 5.5 (NVD).
How do I remediate CVE-2026-12223?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-12223, 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-2026-12223

Explore →

Is Your Infrastructure Affected by CVE-2026-12223?

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