Out-of-Bounds Read Vulnerability in Samsung Exynos Mobile and Wearable Processors
CVE-2025-27891

9.1CRITICAL

Key Information:

Vendor

Samsung
Status
Exynos Mobile and Wearable Processors
Vendor
CVE Published:
14 May 2025

What is CVE-2025-27891?

A vulnerability has been identified in multiple Samsung Exynos processors and modems, specifically related to the processing of malformed NAS packets. The absence of a proper length check can trigger out-of-bounds read conditions, potentially leading to the disclosure of sensitive information or unexpected behavior in affected products. This issue impacts a wide range of Exynos models and is crucial for users and developers to address to ensure the security of their devices.

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References

https://semiconductor.samsung.com/support/quality-support...
https://semiconductor.samsung.com/support/quality-support...

CVSS V3.1

Score:
9.1
Severity:
CRITICAL
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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