What is CVE-2026-42941?

CVE-2026-42941 is a high-severity vulnerability in Danelec Macgregor Voyage Data Recorder (Vdr) G4e, classified under CWE-1392. CVSS score: 8.3/10. Published 2026-05-29.

How severe is CVE-2026-42941?

High severity. CVSS v3 base score is 8.3 out of 10.

Vulnerability in Danelec Macgregor Voyage Data Recorder (Vdr) G4e

CVE-2026-42941

The Danelec MacGregor Voyage Data Recorder device includes a default username and password, with no enforced password change.

EPSS: 0.000 (4.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.3 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L.

Affected products

Danelec Macgregor Voyage Data Recorder (Vdr) G4e — versions 0
Macgregor Interschalt_vdr_g4e
Macgregor Interschalt_vdr_g4e_firmware

Weakness classification (CWE)

CWE-1392

References

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

Frequently asked questions

What is CVE-2026-42941?: CVE-2026-42941 is a high-severity vulnerability in Danelec Macgregor Voyage Data Recorder (Vdr) G4e, classified under CWE-1392. CVSS score: 8.3/10. Published 2026-05-29.
How severe is CVE-2026-42941?: High severity. CVSS v3 base score is 8.3 out of 10.