CVE-2020-5644: Mitsubishielectric Coreos

Critical severity, CVSS 9.8. EPSS: 4.5% chance of exploitation in the next 30 days.

Buffer overflow vulnerability in TCP/IP function included in the firmware of GT14 Model of GOT 1000 series (GT1455-QTBDE CoreOS version "05.65.00.BD" and earlier, GT1450-QMBDE CoreOS version "05.65.00.BD" and earlier, GT1450-QLBDE CoreOS version "05.65.00.BD" and earlier, GT1455HS-QTBDE CoreOS version "05.65.00.BD" and earlier, and GT1450HS-QMBDE CoreOS version "05.65.00.BD" and earlier) allows a remote unauthenticated attacker to stop the network functions of the products or execute a malicious program via a specially crafted packet.

Affected products

• Mitsubishielectric Coreos: up to and including 05.65.00.bd

Published 2020-11-06. Last modified 2026-06-17.