High severity8.8NVD Advisory· Published Mar 16, 2020· Updated Jun 17, 2026
CVE-2020-5546
CVE-2020-5546
Description
Improper Neutralization of Argument Delimiters in a Command ('Argument Injection') vulnerability in TCP function included in the firmware of Mitsubishi Electric MELQIC IU1 series IU1-1M20-D firmware version 1.0.7 and earlier allows an attacker on the same network segment to stop the network functions or execute malware via a specially crafted packet.
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Affected products
2- Range: <=1.0.7
- Range: IU1-1M20-D firmware version 1.0.7 and earlier
Patches
Vulnerability mechanics
References
2- www.mitsubishielectric.co.jp/psirt/vulnerability/pdf/2019-004.pdfnvdPatchVendor Advisory
- jvn.jp/en/vu/JVNVU92370624/index.htmlnvdThird Party Advisory
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