CVEvulnerability

CVE-2020-6989

9.8 CRITICAL Published 2020-03-24 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2020-03-24
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
Weaknesses
CWE-121, CWE-787

Description

In Moxa PT-7528 series firmware, Version 4.0 or lower, and PT-7828 series firmware, Version 3.9 or lower, a buffer overflow in the web server allows remote attackers to cause a denial-of-service condition or execute arbitrary code.

Affected configurations

• moxa pt-7528-24tx-hv firmware (<= 4.0) • moxa pt-7528-24tx-hv-hv firmware (<= 4.0) • moxa pt-7528-24tx-wv firmware (<= 4.0) • moxa pt-7528-24tx-wv-hv firmware (<= 4.0) • moxa pt-7528-24tx-wv-wv firmware (<= 4.0) • moxa pt-7528-12msc-12tx-4gsfp-hv firmware (<= 4.0) • moxa pt-7528-12msc-12tx-4gsfp-hv-hv firmware (<= 4.0) • moxa pt-7528-12msc-12tx-4gsfp-wv firmware (<= 4.0) • moxa pt-7528-12msc-12tx-4gsfp-wv-wv firmware (<= 4.0) • moxa pt-7528-12mst-12tx-4gsfp-hv firmware (<= 4.0) • moxa pt-7528-12mst-12tx-4gsfp-hv-hv firmware (<= 4.0) • moxa pt-7528-12mst-12tx-4gsfp-wv firmware (<= 4.0) • moxa pt-7528-12mst-12tx-4gsfp-wv-wv firmware (<= 4.0) • moxa pt-7528-16msc-8tx-4gsfp-hv firmware (<= 4.0) • moxa pt-7528-16msc-8tx-4gsfp-hv-hv firmware (<= 4.0) • moxa pt-7528-16msc-8tx-4gsfp-wv firmware (<= 4.0) • moxa pt-7528-16msc-8tx-4gsfp-wv-wv firmware (<= 4.0) • moxa pt-7528-16mst-8tx-4gsfp-hv firmware (<= 4.0) • moxa pt-7528-16mst-8tx-4gsfp-hv-hv firmware (<= 4.0) • moxa pt-7528-16mst-8tx-4gsfp-wv firmware (<= 4.0) • moxa pt-7528-16mst-8tx-4gsfp-wv-wv firmware (<= 4.0) • moxa pt-7528-20msc-4tx-4gsfp-hv firmware (<= 4.0) • moxa pt-7528-20msc-4tx-4gsfp-hv-hv firmware (<= 4.0) • moxa pt-7528-20msc-4tx-4gsfp-wv firmware (<= 4.0) • moxa pt-7528-20msc-4tx-4gsfp-wv-wv firmware (<= 4.0) • moxa pt-7528-20mst-4tx-4gsfp-hv firmware (<= 4.0) • moxa pt-7528-20mst-4tx-4gsfp-hv-hv firmware (<= 4.0) • moxa pt-7528-20mst-4tx-4gsfp-wv firmware (<= 4.0) • moxa pt-7528-20mst-4tx-4gsfp-wv-wv firmware (<= 4.0) • moxa pt-7528-8msc-16tx-4gsfp-hv firmware (<= 4.0) • moxa pt-7528-8msc-16tx-4gsfp-hv-hv firmware (<= 4.0) • moxa pt-7528-8msc-16tx-4gsfp-wv firmware (<= 4.0) • moxa pt-7528-8msc-16tx-4gsfp-wv-wv firmware (<= 4.0) • moxa pt-7528-8mst-16tx-4gsfp-hv firmware (<= 4.0) • moxa pt-7528-8mst-16tx-4gsfp-hv-hv firmware (<= 4.0) • moxa pt-7528-8mst-16tx-4gsfp-wv firmware (<= 4.0) • moxa pt-7528-8mst-16tx-4gsfp-wv-wv firmware (<= 4.0) • moxa pt-7528-8ssc-16tx-4gsfp-hv-hv firmware (<= 4.0) • moxa pt-7528-8ssc-16tx-4gsfp-wv-wv firmware (<= 4.0) • moxa pt-7828-f-24 firmware (<= 3.9) • moxa pt-7828-f-24-24 firmware (<= 3.9) • moxa pt-7828-f-24-hv firmware (<= 3.9) • moxa pt-7828-f-48 firmware (<= 3.9) • moxa pt-7828-f-48-48 firmware (<= 3.9) • moxa pt-7828-f-48-hv firmware (<= 3.9) • moxa pt-7828-f-hv firmware (<= 3.9) • moxa pt-7828-f-hv-hv firmware (<= 3.9) • moxa pt-7828-r-24 firmware (<= 3.9) • moxa pt-7828-r-24-24 firmware (<= 3.9) • moxa pt-7828-r-24-hv firmware (<= 3.9) • moxa pt-7828-r-48 firmware (<= 3.9) • moxa pt-7828-r-48-48 firmware (<= 3.9) • moxa pt-7828-r-48-hv firmware (<= 3.9) • moxa pt-7828-r-hv firmware (<= 3.9) • moxa pt-7828-r-hv-hv firmware (<= 3.9)

Related

Weakness · CWE (2)

  • CWE-121 Stack-based Buffer Overflow weakness
  • CWE-787 Out-of-bounds Write weakness

References