Out-of-Bounds Write Vulnerability in Samsung Notes
CVE-2025-21070

4MEDIUM

Key Information:

Vendor

Samsung
Status
Samsung Notes
Vendor
CVE Published:
10 October 2025

What is CVE-2025-21070?

This vulnerability in Samsung Notes prior to version 4.4.30.63 allows local attackers to exploit an out-of-bounds write issue in the SPI decoder. This can lead to unauthorized memory writing, potentially enabling further attacks or data manipulation. Users should update to the latest version to mitigate this risk and protect their data.

Affected Version(s)

Samsung Notes 4.4.30.63

References

https://security.samsungmobile.com/serviceWeb.smsb?year=2...

CVSS V3.1

Score:
4
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
.
CVE-2025-21070 : Out-of-Bounds Write Vulnerability in Samsung Notes