CVE-2020-6987: Moxa Pt-7528-12msc-12tx-4gsfp-Hv-Hv Firmware

High severity, CVSS 7.5. EPSS: 1% chance of exploitation in the next 30 days.

In Moxa PT-7528 series firmware, Version 4.0 or lower, and PT-7828 series firmware, Version 3.9 or lower, the affected products use a weak cryptographic algorithm, which may allow confidential information to be disclosed.

Affected products

  • Moxa Pt-7528-12msc-12tx-4gsfp-Hv-Hv Firmware: up to and including 4.0
  • Moxa Pt-7528-12msc-12tx-4gsfp-Hv Firmware: up to and including 4.0
  • Moxa Pt-7528-12msc-12tx-4gsfp-Wv-Wv Firmware: up to and including 4.0
  • Moxa Pt-7528-12msc-12tx-4gsfp-Wv Firmware: up to and including 4.0
  • Moxa Pt-7528-12mst-12tx-4gsfp-Hv-Hv Firmware: up to and including 4.0
  • Moxa Pt-7528-12mst-12tx-4gsfp-Hv Firmware: up to and including 4.0
  • Moxa Pt-7528-12mst-12tx-4gsfp-Wv-Wv Firmware: up to and including 4.0
  • Moxa Pt-7528-12mst-12tx-4gsfp-Wv Firmware: up to and including 4.0
  • Moxa Pt-7528-16msc-8tx-4gsfp-Hv-Hv Firmware: up to and including 4.0
  • Moxa Pt-7528-16msc-8tx-4gsfp-Hv Firmware: up to and including 4.0
  • Moxa Pt-7528-16msc-8tx-4gsfp-Wv-Wv Firmware: up to and including 4.0
  • Moxa Pt-7528-16msc-8tx-4gsfp-Wv Firmware: up to and including 4.0
  • Moxa Pt-7528-16mst-8tx-4gsfp-Hv-Hv Firmware: up to and including 4.0
  • Moxa Pt-7528-16mst-8tx-4gsfp-Hv Firmware: up to and including 4.0
  • Moxa Pt-7528-16mst-8tx-4gsfp-Wv-Wv Firmware: up to and including 4.0
  • Moxa Pt-7528-16mst-8tx-4gsfp-Wv Firmware: up to and including 4.0
  • Moxa Pt-7528-20msc-4tx-4gsfp-Hv-Hv Firmware: up to and including 4.0
  • Moxa Pt-7528-20msc-4tx-4gsfp-Hv Firmware: up to and including 4.0
  • Moxa Pt-7528-20msc-4tx-4gsfp-Wv-Wv Firmware: up to and including 4.0
  • Moxa Pt-7528-20msc-4tx-4gsfp-Wv Firmware: up to and including 4.0
  • Moxa Pt-7528-20mst-4tx-4gsfp-Hv-Hv Firmware: up to and including 4.0
  • Moxa Pt-7528-20mst-4tx-4gsfp-Hv Firmware: up to and including 4.0
  • Moxa Pt-7528-20mst-4tx-4gsfp-Wv-Wv Firmware: up to and including 4.0
  • Moxa Pt-7528-20mst-4tx-4gsfp-Wv Firmware: up to and including 4.0
  • Moxa Pt-7528-24tx-Hv-Hv Firmware: up to and including 4.0
  • and 30 more

Published 2020-03-24. Last modified 2026-06-17.