CVE-2025-54807

CRITICAL 9.8

Dover Fueling Solutions ProGauge MagLink LX 4 Devices Use of Hard-coded Cryptographic Key

CVSS Score

9.8

EPSS Score

0.1%

EPSS Percentile

26th

The secret used for validating authentication tokens is hardcoded in device firmware for affected versions. An attacker who obtains the signing key can bypass authentication, gaining complete access to the system.

CWE	CWE-321
Vendor	dover fueling solutions
Product	progauge maglink lx 4
Published	Sep 18, 2025
Last Updated	Jun 4, 2026

Stay Ahead of the Next One

Get instant alerts for dover fueling solutions progauge maglink lx 4

Be the first to know when new critical vulnerabilities affecting dover fueling solutions progauge maglink lx 4 are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

Dover Fueling Solutions / ProGauge MagLink LX 4

0 < 4.20.3

Dover Fueling Solutions / ProGauge MagLink LX Plus

0 < 4.20.3

Dover Fueling Solutions / ProGauge MagLink LX Ultimate

0 < 5.20.3

References

NVD ↗ CVE.org ↗ EPSS Data ↗

cisa.gov: https://www.cisa.gov/news-events/ics-advisories/icsa-25-261-07 doverfuelingsolutions.com: https://www.doverfuelingsolutions.com/mea/en/products-and-solutions/automatic-tank-gauging/consoles/progauge-maglink-lx-4-console.html github.com: https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2025/icsa-25-261-07.json

Credits

Pedro Umbelino of Bitsight TRACE reported these vulnerabilities to CISA.