Input validation error in Apple iOS and iPadOS - CVE-2025-43537
Published: February 11, 2026
Vulnerability identifier: #VU122738
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-43537
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Apple Inc.
Affected software:
Apple iOS
iPadOS
Apple iOS
iPadOS
Detailed vulnerability description
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to insufficient path validation in Books. A remote attacker can trick the victim into restoring a specially crafted backup and overwrite protected system files.
How to mitigate CVE-2025-43537
Install updates from vendor's website.