Weak Authentication in Danelec MacGregor Voyage Data Recorder Device
CVE-2026-42941

8.7HIGH

Key Information:

Vendor

Danelec

Status
Macgregor Voyage Data Recorder (vdr) G4e
Vendor
CVE Published:
29 May 2026

What is CVE-2026-42941?

The Danelec MacGregor Voyage Data Recorder device is vulnerable due to its default username and password configuration, which lacks any enforced requirement for users to change these credentials. This could potentially allow unauthorized access to sensitive data, posing a security risk to the integrity of maritime operations.

Affected Version(s)

MacGregor Voyage Data Recorder (VDR) G4e 0 < 5.250

References

https://www.danelec.com/contact
https://www.cisa.gov/news-events/ics-advisories/icsa-26-1...
https://github.com/cisagov/CSAF/blob/develop/csaf_files/O...

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
Low
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Andrew Tierney of Pen Test Partners reported these vulnerabilities to CISA.
.