ELECOM WRC-300FEBK-S contains an improper certificate validation vulnerability. Via a man-in-the-middle attack, an attacker may alter the communication response. As a result, an arbitrary OS command may be executed on the affected device.Referenceshttps://www.elecom.co.jp/news/security/20210126-01/https://jvn.jp/en/jp/JVN47580234/index.html