THREATPORT/VULNERABILITY/CVE-2025-43400
MEDIUM SEVERITY

CVE-2025-43400

Ipados vulnerability

CVSS
6.3
EPSS
6.4%
EPSS pct
93th
Exploited
No known
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 18.7.1 and iPadOS 18.7.1, iOS 26.0.1 and iPadOS 26.0.1, macOS Sequoia 15.7.1, macOS Sonoma 14.8.1, macOS Tahoe 26.0.1, tvOS 26.1, visionOS 26.0.1, watchOS 26.1. Processing a maliciously crafted font may lead to unexpected app termination or corrupt process memory.
Affected vendor
Apple
Affected product
Ipados
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
Weakness type (CWE)
Published
2025-09-29

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, user interaction. Successful exploitation leads to low impact to confidentiality, low impact to integrity, low impact to availability.

Its EPSS score of 6.4% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 93% of all scored CVEs.

Check your external exposure to CVE-2025-43400

  • Confirm whether Apple Ipados is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2025-43400.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2025-43400

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2025-43400 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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