Apple watchOS up to 18.2 UDP Server Socket state issue

Summaryinfo

A vulnerability was found in Apple watchOS. It has been rated as problematic. This impacts an unknown function of the component UDP Server Socket. This manipulation causes state issue. The identification of this vulnerability is CVE-2025-43359. The attack can only be executed locally. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as problematic was found in Apple watchOS. Affected by this vulnerability is an unknown function of the component UDP Server Socket. The manipulation with an unknown input leads to a state issue vulnerability. The CWE definition for the vulnerability is CWE-371. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

A logic issue was addressed with improved state management. This issue is fixed in tvOS 26, macOS Sonoma 14.8, macOS Sequoia 15.7, iOS 18.7 and iPadOS 18.7, visionOS 26, watchOS 26, macOS Tahoe 26, iOS 26 and iPadOS 26. A UDP server socket bound to a local interface may become bound to all interfaces.

The advisory is shared at support.apple.com. This vulnerability is known as CVE-2025-43359 since 04/16/2025. The exploitation appears to be easy. An attack has to be approached locally. Neither technical details nor an exploit are publicly available.

Upgrading to version 26.0 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Smartwatch Operating System

Vendor

• Apple

Name

• watchOS

Version

• 2.2.2
• 3
• 3.1
• 3.1.1
• 3.1.3
• 3.2
• 3.2.2
• 3.2.3
• 4.0
• 4.2
• 4.2.2
• 4.2.3
• 4.3
• 4.3.1
• 4.3.2
• 4.4.2
• 5.0
• 5.1
• 5.1.3
• 5.2
• 5.2.1
• 5.3
• 5.3.2
• 5.3.7
• 5.3.9
• 6.0
• 6.1
• 6.1.2
• 6.2
• 6.2.4
• 6.2.5
• 6.2.6
• 6.2.8
• 6.2.9
• 7.0
• 7.0.3
• 7.1
• 7.2
• 7.3
• 7.3.2
• 7.3.3
• 7.4
• 7.4.1
• 7.5
• 7.6
• 7.6.2
• 8.0
• 8.1
• 8.3
• 8.4
• 8.5
• 8.6
• 8.7
• 8.8.1
• 9.1
• 9.2
• 9.3
• 9.4
• 9.5
• 9.5.1
• 9.5.2
• 9.6
• 10.0
• 10.5
• 10.15.0
• 10.15.1
• 12.1
• 13.0
• 13.7
• 14.0
• 15
• 15.1
• 18
• 18.1
• 18.2

License

• commercial

Website

• Vendor: https://www.apple.com/

CPE 2.3info

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CPE 2.2info

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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