Vulnerability

CVE-2025-66219

Dontkry Willitmerge: unauthenticated command injection

Most severe levelDEFCON 4 · Moderate risk

Official data

CVSS 3.1
9.8 · criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-77
EPSS
2.66% probability of exploitation in the next 30 days, higher than 85% of CVEs
CISA KEV catalogue
No

Sources: NVD (CVSS, weakness, publication), FIRST (EPSS), CISA (KEV catalogue).
Data read on 25 October 2026.

Timeline

  1. 27 November 2025First in the DefenceLevel briefing
  2. 29 November 2025Published on NVD

In DefenceLevel briefings3 days

  • 29 November 2025New in the last 24 hoursDEFCON 4
  • 28 November 2025Worth watching
  • 27 November 2025Worth watching

Last 12 months.

The full analysis is in the briefingThe full analysis is in your archive

Why it matters now, who is affected and what to do: every day at 05:00 UTC, for subscribers.Why it matters, who is affected and what to do, as in the daily briefing.

Official records: NVDCVE.org

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