CVE-2025-23097Network attack vector

Memory corruption via unchecked NPU input length

Published Jun 3, 2025 · Updated Jun 4, 2025

Out-of-bounds write in the NPU of Samsung Exynos 1380 allows remote attackers to corrupt memory through an unchecked input length. The NPU fails to validate an input length before performing a write beyond the intended buffer; Samsung has not disclosed the affected routine or input format. The published assessment requires network reachability but no authentication or user interaction; reported effects are memory disclosure and service interruption.

CVSS severity9.1
Critical
EPSS probability0.43%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Out-of-bounds write in the NPU of Samsung Exynos 1380 allows remote attackers to corrupt memory through an unchecked input length. The NPU fails to validate an input length before performing a write beyond the intended buffer; Samsung has not disclosed the affected routine or input format. The published assessment requires network reachability but no authentication or user interaction; reported effects are memory disclosure and service interruption.

The record

CVE
CVE-2025-23097
Published
Jun 3, 2025
Updated
Jun 4, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-787
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 3, 2025CVE publishedPublication date reported by the CVE source.
  2. Jun 4, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

9.1CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-787Out-of-bounds Write

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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