What’s Vulnerable › Vulnerabilities

CVE-2025-55068: Dover Fueling Solutions ProGauge MagLink LX4 Devices Integer Overflow or Wraparound

• Severity: high (CVSS 8.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-09-18 · updated 2026-10-18
• Weakness: CWE-190

Description

Dover Fueling Solutions ProGauge MagLink LX4 Devices fail to handle Unix time values beyond a certain point. An attacker can manually change the system time to exploit this limitation, potentially causing errors in authentication and leading to a denial-of-service condition.

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

How to fix

Upgrade to a fixed version: Dover Fueling Solutions ProGauge MagLink LX 4 4.20.3; Dover Fueling Solutions ProGauge MagLink LX Plus 4.20.3; Dover Fueling Solutions ProGauge MagLink LX Ultimate 5.20.3. Check the vendor advisory for mitigations.

References

• https://www.cisa.gov/news-events/ics-advisories/icsa-25-261-07
• https://www.doverfuelingsolutions.com/mea/en/products-and-solutions/automatic-tank-gauging/consoles/progauge-maglink-lx-4-console.html

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