CVE-2025-54807 Dover Fueling Solutions ProGauge MagLink LX 4 Devices Use of Hard-coded Cryptographic Key

Critical 9.3 Published Updated

Attackers can bypass authentication and gain full system access by exploiting a hardcoded cryptographic key in the device firmware.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-54807?

CVE-2025-54807 is a critical vulnerability in Dover Fueling Solutions ProGauge MagLink LX 4, published on 18 Sep 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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.

Weakness: CWE-321

Which versions are affected by CVE-2025-54807?

How do I fix CVE-2025-54807?

No fix has been published for CVE-2025-54807 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-54807 being exploited?

There is no known exploitation of CVE-2025-54807 in the wild and no public exploit code.

Sources

Also known as GHSA-fmx3-xgw6-w7g2.

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