A malicious user on the same LAN could use DNS spoofing followed by a command injection attack to trick a NAS device into loading through an unsecured HTTP call. Addressed this vulnerability by disabling checks for internet connectivity using HTTP.

References

• https://nvd.nist.gov/vuln/detail/CVE-2022-22991
• https://www.westerndigital.com/support/product-security/wdc-22002-my-cloud-os5-firmware-5-19-117
• https://www.zerodayinitiative.com/advisories/ZDI-22-077/