What is CVE-2026-40425?

CVE-2026-40425 is a medium-severity vulnerability in Danelec Macgregor Voyage Data Recorder (Vdr) G4e, classified under Files or Directories Accessible to External Parties. CVSS score: 5.7/10. Published 2026-05-29.

How severe is CVE-2026-40425?

Medium severity. CVSS v3 base score is 5.7 out of 10.

Vulnerability in Danelec Macgregor Voyage Data Recorder (Vdr) G4e

CVE-2026-40425

The administrator account for the Danelec MacGregor Voyage Data Recorder web interface can directly edit sensitive files related to authentication, potentially changing the root password.

EPSS: 0.000 (11.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.7 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:L.

Affected products

Weakness classification (CWE)

CWE-552 — Files or Directories Accessible to External Parties

References

ics-cert@hq.dhs.gov (Product)
ics-cert@hq.dhs.gov (US Government Resource, Third Party Advisory)
ics-cert@hq.dhs.gov (Issue Tracking)

Frequently asked questions

What is CVE-2026-40425?: CVE-2026-40425 is a medium-severity vulnerability in Danelec Macgregor Voyage Data Recorder (Vdr) G4e, classified under Files or Directories Accessible to External Parties. CVSS score: 5.7/10. Published 2026-05-29.
How severe is CVE-2026-40425?: Medium severity. CVSS v3 base score is 5.7 out of 10.