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Vulnerability record · CVE-2026-42941 · published 29 May 2026

CVE-2026-42941: Macgregor interschalt vdr g4e firmware vulnerability

Macgregor · Interschalt Vdr G4e Firmware

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

8.7 CVSS 4.0 High EPSS 0.34% · top 74.8% CWE-1392 · CWE-1392
8.7CVSS 4.0 base score
0.34%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References
21 Jul 2026Last modified by NVD

Description

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

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-148-01.json Third Party AdvisoryUS Government Resource
https://www.cisa.gov/news-events/ics-advisories/icsa-26-148-01 Third Party AdvisoryUS Government Resource
https://www.danelec.com/contact Product

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.7CVE-2026-42929Macgregor interschalt vdr g4e firmware hard-coded credentials vulnerabilityDanelec MacGregor Voyage Data Recorder includes default accounts with hard-coded credentials.EPSS 0.34%6.9CVE-2026-40425Macgregor interschalt vdr g4e firmware vulnerabilityThe administrator account for the Danelec MacGregor Voyage Data Recorder web interface can directly edit sensitive files related to authentication, p…EPSS 0.60%5.9CVE-2026-42951Macgregor interschalt vdr g4e firmware insufficiently protected credentials vulnerabilityAn authenticated user can download a backup of the Danelec MacGregor Voyage Data Recorder device which includes account data and password hashes.EPSS 0.23%5.9CVE-2026-44611Macgregor interschalt vdr g4e firmware vulnerabilityDanelec MacGregor Voyage Data Recorder passwords are stored with a hashing method which limits password length and is susceptible to brute force atta…EPSS 0.19%5.3CVE-2016-9339Macgregor interschalt vdr g4e firmware path traversal vulnerabilityAn issue was discovered in INTERSCHALT Maritime Systems VDR G4e Versions 5.220 and prior. External input is used to construct paths to files and dire…EPSS 1.7%

Source: NIST National Vulnerability Database (record CVE-2026-42941), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.