CVE-2026-42941 PUBLISHED

MacGregor Voyage Data Recorder (VDR) G4e Use of Default Credentials

Assigner: icscert
Reserved: 07.05.2026 Published: 29.05.2026 Updated: 29.05.2026

The Danelec MacGregor Voyage Data Recorder

device includes a default username and password, with no enforced password change.

CVSS Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
CVSS Score: 8.3

Attack Vector	Adjacent Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	High
User Interaction	None	Availability Impact	Low

CVSS 3.1

CVSS Vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N
CVSS Score: 8.7

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Adjacent	Confidentiality	High	Confidentiality	None
Attack Complexity	Low	Integrity	High	Integrity	None
Attack Requirements	None	Availability	Low	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	Danelec
Product	MacGregor Voyage Data Recorder (VDR) G4e
Versions	Default: unaffected affected from 0 to 5.250 (excl.)

Solutions

Danelec has released firmware version V5.250 to resolve these vulnerabilities. Users of MacGregor Voyage Data Recorder (VDR) G4e devices are encouraged to update the firmware at the earliest service attendance rather than waiting for an annual performance test. Contact Danelec with additional questions: https://www.danelec.com/contact

Credits

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

References

Problem Types

CWE-1392 CWE