What is CVE-2025-21004?

CVE-2025-21004 is a medium-severity vulnerability in Samsung Galaxy_watch, classified under Improper Verification of Cryptographic Signature. CVSS score: 6.2/10. Published 2025-07-08.

How severe is CVE-2025-21004?

Medium severity. CVSS v3 base score is 6.2 out of 10.

Vulnerability in Samsung Galaxy_watch

CVE-2025-21004

Improper verification of intent by broadcast receiver in System UI for Galaxy Watch prior to SMR Jul-2025 Release 1 allows local attackers to power off the device.

EPSS: 0.001 (0.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.2 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Samsung Galaxy_watch
Samsung Galaxy_watch_4
Samsung Galaxy_watch_4_classic
Samsung Galaxy_watch_5
Samsung Galaxy_watch_5_pro
Samsung Galaxy_watch_6
Samsung Galaxy_watch_6_classic
Samsung Galaxy_watch_7
Samsung Galaxy_watch_fe
Samsung Galaxy_watch_ultra

Weakness classification (CWE)

CWE-347 — Improper Verification of Cryptographic Signature

References

mobile.security@samsung.com (Vendor Advisory)

Frequently asked questions

What is CVE-2025-21004?: CVE-2025-21004 is a medium-severity vulnerability in Samsung Galaxy_watch, classified under Improper Verification of Cryptographic Signature. CVSS score: 6.2/10. Published 2025-07-08.
How severe is CVE-2025-21004?: Medium severity. CVSS v3 base score is 6.2 out of 10.