Provide references for CVE-2021-43554.
Where can I find more information about CVE-2021-43554?
References are available at: https://us-cert.cisa.gov/ics/advisories/icsa-21-320-01, https://www.zerodayinitiative.com/advisories/ZDI-22-030/, https://www.zerodayinitiative.com/advisories/ZDI-22-033/, https://www.zerodayinitiative.com/advisories/ZDI-22-028/.