CVE-2025-30471 is a remote denial-of-service vulnerability identified in Apple tvOS and other Apple operating systems such as macOS Ventura, iOS, iPadOS, and visionOS. The root cause is a validation flaw (CWE-20) that allows a remote attacker to send specially crafted input to the affected system, triggering a denial-of-service condition. This vulnerability does not require any authentication or user interaction, making it remotely exploitable over the network with low attack complexity. The impact is limited to availability disruption, as confidentiality and integrity are not affected. Apple has addressed this issue by improving input validation logic and released patches in tvOS 18.4, macOS Ventura 13.7.5, and other OS versions. The CVSS v3.1 base score is 7.5, reflecting high severity due to network attack vector, no privileges required, and high impact on availability. No known exploits have been reported in the wild to date. The vulnerability affects unspecified versions prior to the patched releases, so any unpatched Apple TV devices or other Apple OS devices remain vulnerable. This flaw could be leveraged by attackers to disrupt services relying on Apple TV devices, such as digital signage, conference room systems, or media streaming in enterprise environments.

For European organizations, the primary impact is service disruption caused by denial-of-service attacks on Apple TV devices and other affected Apple platforms. Enterprises using Apple TV for conference rooms, digital signage, or media streaming could experience outages, impacting business operations and user experience. Although confidentiality and integrity are not compromised, availability loss can affect productivity and potentially lead to financial losses or reputational damage. Public sector and critical infrastructure entities using Apple devices may face operational risks if these devices are part of communication or information dissemination systems. The lack of required authentication and user interaction increases the risk of automated or widespread attacks. Organizations with large Apple device deployments are at higher risk, especially if patch management is delayed.

1. Immediately apply the latest Apple security updates: tvOS 18.4, macOS Ventura 13.7.5, iOS 18.4, iPadOS 18.4, visionOS 2.4, and other relevant patches. 2. Implement network segmentation to isolate Apple TV devices from critical network segments to limit attack surface. 3. Monitor network traffic for unusual or malformed packets targeting Apple TV devices, using IDS/IPS solutions with updated signatures. 4. Employ rate limiting and firewall rules to restrict unsolicited inbound traffic to Apple TV devices. 5. Conduct regular audits of Apple device firmware and OS versions to ensure compliance with patching policies. 6. Educate IT staff on the vulnerability and encourage rapid response to new Apple security advisories. 7. Consider temporary disabling or restricting remote access to Apple TV devices in sensitive environments until patches are applied.