What is CVE-2025-21064?

CVE-2025-21064 is a high-severity vulnerability in Samsung Smart Switch, classified under CWE-287 IMPROPER AUTHENTICATION. CVSS score: 8.8/10. Published 2025-10-10.

How severe is CVE-2025-21064?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Samsung Smart Switch

CVE-2025-21064

Improper authentication in Smart Switch prior to version 3.7.66.6 allows adjacent attackers to access transferring data.

EPSS: 0.003 (16.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Samsung Smart_switch
Samsung Mobile Smart Switch — versions 3.7.66.6

References

mobile.security@samsung.com (Vendor Advisory)

Frequently asked questions

What is CVE-2025-21064?: CVE-2025-21064 is a high-severity vulnerability in Samsung Smart Switch, classified under CWE-287 IMPROPER AUTHENTICATION. CVSS score: 8.8/10. Published 2025-10-10.
How severe is CVE-2025-21064?: High severity. CVSS v3 base score is 8.8 out of 10.