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Fencer Intel
critical 9.8

CVE-2025-30519 json

Dover Fueling Solutions ProGauge MagLink LX4 Devices Use of Weak Credentials

published last yr. modified 22d ago also EUVD-2025-30192

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 39%
public exploits
0
none known

Summary

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.

Patch / fix

  • 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

Is CVE-2025-30519 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-25-261-07 updated cvss 9.8

Dover Fueling Solutions ProGauge MagLink LX4 Devices

  • 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
    affected: mitigation “For MagLink LX Ultimate devices, Dover Fueling Solutions recommends users update to version 5.20.3 or later.” doverfuelingsolutions.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
total
Assessed
last yr.

Exploit prediction

0.45% chance of exploitation in the next 30 days, higher than 39% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 4.0 9.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CNA 4.0 9.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected products

  • Dover Fueling Solutions ProGauge MagLink LX 4
  • Dover Fueling Solutions ProGauge MagLink LX Plus
  • Dover Fueling Solutions ProGauge MagLink LX Ultimate

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.