CVE-2025-21064
Improper authentication in Smart Switch prior to version 3.7.66.6 allows adjacent attackers to...
Improper authentication in Smart Switch prior to version 3.7.66.6 allows adjacent attackers to access transferring data.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Improper authentication in Smart Switch prior to version 3.7.66.6 allows adjacent attackers to access transferring data.
- Record
CVE-2025-21064- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
EUVDEUVD-2025-33669
Improper authentication in Smart Switch prior to version 3.7.66.6 allows adjacent attackers to access transferring data.
- Record
EUVD-2025-33669- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-29w2-gq4m-pcw2
Improper authentication in Smart Switch prior to version 3.7.66.6 allows adjacent attackers to...
Improper authentication in Smart Switch prior to version 3.7.66.6 allows adjacent attackers to access transferring data.
- Record
GHSA-29w2-gq4m-pcw2- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
NVD
Improper authentication in Smart Switch prior to version 3.7.66.6 allows adjacent attackers to access transferring data.
- Record
CVE-2025-21064- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-21064 is a high vulnerability (CVSS 8.8) in Samsung Smart Switch, published October 10, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.27%, the 18th percentile. No source names a fixed version.