CVE-2021-44596: Wondershare LTD Dr.

Security readout for executives and security teams

CVE-2021-44596 describes a serious design flaw in Wondershare Dr.Fone. A background service running with SYSTEM privileges could be remotely influenced over UDP to run an unvalidated executable. If reachable, this could let an unauthenticated attacker gain full control of the affected Windows host. Exposure is likely limited to systems with Wondershare Dr.Fone installed and the InstallAssistService.exe service present or running. Risk increases if UDP access to that service is reachable from untrusted networks. The source data does not define a complete affected version range. High priority for endpoint teams if Dr.Fone exists in the environment. The business risk is full host compromise from a privileged service, while remediation uncertainty means teams should verify vendor guidance and reduce exposure quickly. Mitigation focus: Inventory systems for Wondershare Dr.Fone and InstallAssistService.exe.; Remove Wondershare Dr.Fone where it is not business-required.; Restrict UDP reachability to the service from untrusted networks..

Prepared

Jul 11, 2026, 12:09 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.