How severe is CVE-2026-42941?

CVE-2026-42941 has a CVSS 3.x base score of 8.3, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability low.

Is CVE-2026-42941 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-42941?

CVE-2026-42941 affects Macgregor Interschalt Vdr G4e Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-42941?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-42941 have an EU (EUVD) identifier?

Yes. CVE-2026-42941 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-33395.

When was CVE-2026-42941 published?

CVE-2026-42941 was published on 2026-05-29 and last updated on 2026-06-17.

CVE-2026-42941

CVE-2026-42941 is a high-severity vulnerability in Macgregor Interschalt Vdr G4e Firmware with a CVSS 3.x base score of 8.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-1392.

Key facts

Severity: High (CVSS 3.x base score 8.3)
CVSS v4: 8.7
EPSS exploit prediction: 0% (13th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-33395
Weakness: CWE-1392
Affected product: Macgregor Interschalt Vdr G4e Firmware
Published: 2026-05-29
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2026-42941?: The Danelec MacGregor Voyage Data Recorder device includes a default username and password, with no enforced password change.
How severe is CVE-2026-42941?: CVE-2026-42941 has a CVSS 3.x base score of 8.3, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability low.
Is CVE-2026-42941 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-42941?: CVE-2026-42941 affects Macgregor Interschalt Vdr G4e Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-42941?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-42941 have an EU (EUVD) identifier?: Yes. CVE-2026-42941 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-33395.
When was CVE-2026-42941 published?: CVE-2026-42941 was published on 2026-05-29 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:macgregor:interschalt_vdr_g4e_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Macgregor Interschalt Vdr G4e Firmware

CVE-2026-42929 — High (CVSS 8.3): Danelec MacGregor Voyage Data Recorder includes default accounts with hard-coded credentials.
CVE-2026-40425 — Medium (CVSS 5.7): The administrator account for the Danelec MacGregor Voyage Data Recorder web interface can directly edit sensitive…
CVE-2026-44611 — Medium (CVSS 5.4): Danelec MacGregor Voyage Data Recorder passwords are stored with a hashing method which limits password length and is…
CVE-2026-42951 — Medium (CVSS 5.4): An authenticated user can download a backup of the Danelec MacGregor Voyage Data Recorder device which includes…
CVE-2016-9339 — Medium (CVSS 5.3): An issue was discovered in INTERSCHALT Maritime Systems VDR G4e Versions 5.220 and prior. External input is used to…

All CVEs affecting Macgregor Interschalt Vdr G4e Firmware →

Other CWE-1392 vulnerabilities

CVE-2025-55051 — Critical (CVSS 10.0): CWE-1392: Use of Default Credentials
CVE-2023-3703 — Critical (CVSS 10.0): Proscend Advice ICR Series routers FW version 1.76 - CWE-1392: Use of Default Credentials
CVE-2026-58466 — Critical (CVSS 9.8): AutoBangumi before 3.2.8 contains a hard-coded default credentials vulnerability that allows unauthenticated attackers…
CVE-2026-58453 — Critical (CVSS 9.8): JAIOTlink C492A-W6 Wi-Fi IP cameras running firmware 4.8.30.57701411 contain a hard-coded credentials vulnerability…
CVE-2026-44159 — Critical (CVSS 9.8): Tyler Identity Local (TID-L) uses documented, default administrative credentials. Users are not required to change the…
CVE-2026-42072 — Critical (CVSS 9.8): Nornicdb is a distributed low-latency, Graph+Vector, Temporal MVCC with all sub-ms HNSW search, graph traversal, and…

Browse all CWE-1392 vulnerabilities →