CVE-2025-30519: Dover Fueling Solutions Progauge Maglink Lx 4

Critical severity, CVSS 9.8. EPSS: 0.4% chance of exploitation in the next 30 days.

Dover Fueling Solutions ProGauge MagLink LX4 Devices have default root credentials that cannot be changed through standard administrative means. An attacker with network access to the device can gain administrative access to the system.

Affected products

• Dover Fueling Solutions Progauge Maglink Lx 4: before 4.20.3 (fixed in 4.20.3)
• Dover Fueling Solutions Progauge Maglink Lx Plus: before 4.20.3 (fixed in 4.20.3)
• Dover Fueling Solutions Progauge Maglink Lx Ultimate: before 5.20.3 (fixed in 5.20.3)

Published 2025-09-18. Last modified 2026-06-17.