Medium severity5.4NVD Advisory· Published Apr 8, 2025· Updated Jun 17, 2026

CVE-2025-20939

Description

Improper authorization in wireless download protocol in Galaxy Watch prior to SMR Apr-2025 Release 1 allows physical attackers to update device unique identifier of Watch devices.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Samsung Mobile/Wear OS
cpe:2.3:o:samsung:wear_os:5.0:*:*:*:*:*:*:*
Samsung Mobile/Galaxy Watchllm-fuzzy
Range: < SMR Apr-2025 Release 1
Samsung Mobile/mobile devicesv5
Range: SMR Apr-2025 Release in Android Watch 14

Patches

Vulnerability mechanics

References

security.samsungmobile.com/securityUpdate.smsbnvdVendor Advisory

News mentions

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