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TI-2025-21794 Aliases CVE-2025-30519GHSA-3fgm-3m4r-2x8g

Dover Fueling Solutions ProGauge MagLink LX4 Devices Use of Weak Credentials

Priority MEDIUM 48CWE-1391Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00451 39th percentileScored 2026-11-07
Fix Fixed ProGauge MagLink LX 4 (Dover Fueling Solutions): 4.20.3ProGauge MagLink LX Plus (Dover Fueling Solutions): 4.20.3+1 more product

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Dover Fueling SolutionsProGauge MagLink LX 4before 4.20.34.20.3Patch availableCNA
Dover Fueling SolutionsProGauge MagLink LX Plusbefore 4.20.34.20.3Patch availableCNA
Dover Fueling SolutionsProGauge MagLink LX Ultimatebefore 5.20.35.20.3Patch availableCNA

Remediation

  • Fix · CNA ProGauge MagLink LX 4 (Dover Fueling Solutions) Fixed in 4.20.3
  • Fix · CNA ProGauge MagLink LX Plus (Dover Fueling Solutions) Fixed in 4.20.3
  • Fix · CNA ProGauge MagLink LX Ultimate (Dover Fueling Solutions) Fixed in 5.20.3

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Dover Fueling Solutions ProGauge MagLink LX 4, ProGauge MagLink LX Plus, ProGauge MagLink LX Ultimate 4.20.3, 5.20.3

    3 records Highest priority Priority MEDIUM 3 MEDIUM

    Other records, highest priority first

    • TI-2025-34561 Dover Fueling Solutions ProGauge MagLink LX 4 Devices Use of Hard-coded Cryptographic KeyPriority MEDIUM 49
    • TI-2025-34758 Dover Fueling Solutions ProGauge MagLink LX4 Devices Integer Overflow or WraparoundPriority MEDIUM 44

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-30519
  2. 2026-10-03 Alias added: GHSA-3fgm-3m4r-2x8g

References

  • TI-2025-04769 Dover Fueling Solutions ProGauge MagLink LX Consoles Missing Authentication for Critical Function CVSS 4.0CRITICAL 9.3
  • TI-2024-30176 Dover Fueling Solutions ProGauge MAGLINK LX CONSOLE Command Injection CVSS 4.0CRITICAL 10.0
  • TI-2024-29295 Dover Fueling Solutions ProGauge MAGLINK LX CONSOLE Command Injection CVSS 4.0CRITICAL 10.0
  • TI-2025-34561 Dover Fueling Solutions ProGauge MagLink LX 4 Devices Use of Hard-coded Cryptographic Key CVSS 4.0CRITICAL 9.3
  • TI-2024-29294 Dover Fueling Solutions ProGauge MAGLINK LX CONSOLE Authentication Bypass Using an Alternate Path or Channel CVSS 4.0CRITICAL 9.3
  • TI-2024-29069 Dover Fueling Solutions ProGauge MAGLINK LX CONSOLE Use of Hard-coded Password CVSS 4.0CRITICAL 9.3
See all 12 →

Sources