Medium severity · published Oct 10, 2025
CVE-2025-21064
Improper authentication in Smart Switch prior to version 3.7.66.6 allows adjacent attackers to access transferring data
6.5
CVSS
0.3%
EPSS
No
On KEV
Description
Improper authentication in Smart Switch prior to version 3.7.66.6 allows adjacent attackers to access transferring data.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 18% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SS
Smart Switch · Samsung
before 3.7.67.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-21064
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-21064
Vendor Advisory
https://security.samsungmobile.com/serviceWeb.smsb?year=2025&month=10
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