CVE-2025-43223 is a high-severity denial-of-service vulnerability affecting multiple Apple operating systems. The issue arises from insufficient input validation, allowing a non-privileged user to potentially modify restricted network settings, leading to service disruption. The vulnerability has been addressed in several Apple OS versions including macOS Ventura 13.7.7, iPadOS 17.7.9, iOS 18.6, macOS Sonoma 14.7.7, watchOS 11.6, macOS Sequoia 15.6, tvOS 18.6, and visionOS 2.6.