CVE-2025-43359

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

Published: 2025-09-15 Last update: 2026-04-02 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2025-43359 is rated Moderate Risk (53.2/100): CVSS Critical severity, with low exploitation likelihood (EPSS 0.18%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2025-43359

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-01 0.06% 0.18% +0.12%
2 2025-09-21 0.05% 0.06% +0.02%
3 2025-09-18 — 0.05% —

Full EPSS history (5 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-43359

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.8 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 5.9 134c704f-9b21-4f2e-91b3-4a467353bcc0

Weakness enumeration for CVE-2025-43359

Affected software / configurations for CVE-2025-43359

Vendor Product Version Raw CPE
apple ipados < 18.7 cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
apple iphone_os < 18.7 cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
apple macos >= 14.0, < 14.8 cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
apple macos >= 15.0, < 15.7 cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
apple tvos < 26.0 cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
apple visionos < 26.0 cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*
apple watchos < 26.0 cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*

References for CVE-2025-43359

URL Tags
https://support.apple.com/en-us/125108 Release Notes Vendor Advisory
https://support.apple.com/en-us/125109 Release Notes Vendor Advisory
https://support.apple.com/en-us/125110
https://support.apple.com/en-us/125111 Release Notes Vendor Advisory
https://support.apple.com/en-us/125112 Release Notes Vendor Advisory
https://support.apple.com/en-us/125114 Release Notes Vendor Advisory
https://support.apple.com/en-us/125115 Release Notes Vendor Advisory
https://support.apple.com/en-us/125116 Release Notes Vendor Advisory
http://seclists.org/fulldisclosure/2025/Sep/49
http://seclists.org/fulldisclosure/2025/Sep/53
http://seclists.org/fulldisclosure/2025/Sep/54
http://seclists.org/fulldisclosure/2025/Sep/55
http://seclists.org/fulldisclosure/2025/Sep/56
http://seclists.org/fulldisclosure/2025/Sep/57
http://seclists.org/fulldisclosure/2025/Sep/58
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