Insufficient Randomness in SecretKey of Samsung Smart Switch Application
CVE-2025-21078

8.8HIGH

Key Information:

Vendor

Samsung
Status
Smart Switch
Vendor
CVE Published:
5 November 2025

What is CVE-2025-21078?

The vulnerability in Samsung Smart Switch is caused by the use of insufficiently random values for the secretKey. This weakness allows adjacent attackers to potentially gain unauthorized access to backup data stored by the application. Users of versions prior to 3.7.68.6 should update their applications to mitigate this risk and secure their data.

Affected Version(s)

Smart Switch 3.7.68.6

References

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

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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CVE-2025-21078 : Insufficient Randomness in SecretKey of Samsung Smart Switch Application