CVE-2020-5542: Buffer Overflow
First published: Mon Mar 16 2020(Updated: )
Buffer error 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 remote attackers to stop the network functions or execute malware via a specially crafted packet.
Credit: vultures@jpcert.or.jp
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Mitsubishielectric Iu1-1m20-d Firmware | <=1.0.7 | |
| Mitsubishielectric Iu1-1m20-d |
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Reference Links
Frequently Asked Questions
What is CVE-2020-5542?
CVE-2020-5542 is a buffer error vulnerability in the TCP function included in the firmware of Mitsubishi Electric MELQIC IU1 series IU1-1M20-D firmware version 1.0.7 and earlier.
How can this vulnerability be exploited?
Remote attackers can exploit CVE-2020-5542 by sending a specially crafted packet, which can stop the network functions or execute malware on the affected device.
What is the severity of CVE-2020-5542?
CVE-2020-5542 has a severity rating of 9.8 (Critical).
Which software versions are affected by CVE-2020-5542?
Firmware version 1.0.7 and earlier of Mitsubishi Electric MELQIC IU1 series IU1-1M20-D is affected by CVE-2020-5542.
How can I fix CVE-2020-5542?
To fix CVE-2020-5542, users should upgrade their Mitsubishi Electric MELQIC IU1 series IU1-1M20-D firmware to a version beyond 1.0.7.
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