CVE-2020-5646

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

NULL pointer dereferences 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 via a specially crafted packet.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-476

Affected software

Vendor	Product	Versions
Mitsubishi Electric Corporation	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)

References

https://jvn.jp/vu/JVNVU99562395/index.htmlThird Party Advisory
https://us-cert.cisa.gov/ics/advisories/icsa-20-310-02Third Party Advisory, US Government Resource
https://www.mitsubishielectric.co.jp/psirt/vulnerability/pdf/2020-014.pdfVendor Advisory
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-014_en.pdfVendor Advisory
https://jvn.jp/vu/JVNVU99562395/index.htmlThird Party Advisory
https://us-cert.cisa.gov/ics/advisories/icsa-20-310-02Third Party Advisory, US Government Resource
https://www.mitsubishielectric.co.jp/psirt/vulnerability/pdf/2020-014.pdfVendor Advisory
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-014_en.pdfVendor Advisory

Timeline

Published: Nov 6, 2020
Last modified: Jun 17, 2026
NVD status: Modified

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