Provide references for CVE-2021-22857.
Where can I find more information about CVE-2021-22857?
References are available at: https://www.twcert.org.tw/tw/cp-132-4395-c01f7-1.html, https://www.chtsecurity.com/news/fe1e30ef-4dac-4848-a3c9-a7df12672422.