How severe is CVE-2026-40425?

CVE-2026-40425 has a CVSS 3.x base score of 5.7, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability low.

Is CVE-2026-40425 being actively exploited?

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

What products are affected by CVE-2026-40425?

CVE-2026-40425 affects Macgregor Interschalt Vdr G4e Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-40425?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-40425 have an EU (EUVD) identifier?

Yes. CVE-2026-40425 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-33403.

When was CVE-2026-40425 published?

CVE-2026-40425 was published on 2026-05-29 and last updated on 2026-06-17.

CVE-2026-40425

CVE-2026-40425 is a medium-severity vulnerability in Macgregor Interschalt Vdr G4e Firmware with a CVSS 3.x base score of 5.7. 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-552.

Key facts

Severity: Medium (CVSS 3.x base score 5.7)
CVSS v4: 6.9
EPSS exploit prediction: 0% (30th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-33403
Weakness: CWE-552
Affected product: Macgregor Interschalt Vdr G4e Firmware
Published: 2026-05-29
Last modified: 2026-06-17

Description

The administrator account for the Danelec MacGregor Voyage Data Recorder web interface can directly edit sensitive files related to authentication, potentially changing the root password.

Frequently asked questions

What is CVE-2026-40425?: The administrator account for the Danelec MacGregor Voyage Data Recorder web interface can directly edit sensitive files related to authentication, potentially changing the root password.
How severe is CVE-2026-40425?: CVE-2026-40425 has a CVSS 3.x base score of 5.7, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability low.
Is CVE-2026-40425 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-40425?: CVE-2026-40425 affects Macgregor Interschalt Vdr G4e Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-40425?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-40425 have an EU (EUVD) identifier?: Yes. CVE-2026-40425 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-33403.
When was CVE-2026-40425 published?: CVE-2026-40425 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-2026-42941 — High (CVSS 8.3): The Danelec MacGregor Voyage Data Recorder device includes a default username and password, with no enforced password…
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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…
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