CVE-2025-21004

MEDIUM

Published Jul 8, 2025 Modified Jan 20, 2026 CWE-347

Description

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.

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CVSS v3.1 Score

6.2

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-347 CWE-347

Affected Products

Vendor	Product	Versions
samsung	wear_os	All
samsung	galaxy_watch	All
samsung	galaxy_watch_4	All
samsung	galaxy_watch_4_classic	All
samsung	galaxy_watch_5	All
samsung	galaxy_watch_5_pro	All
samsung	galaxy_watch_6	All
samsung	galaxy_watch_6_classic	All
samsung	galaxy_watch_7	All
samsung	galaxy_watch_fe	All
samsung	galaxy_watch_ultra	All

References

Advisories & Patches

https://security.samsungmobile.com/securityUpdate.smsb?year=2025&month=07

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 6.2 (MEDIUM).

How severe is CVE-2025-21004? +

CVE-2025-21004 has a CVSS v3.1 score of 6.2 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-21004? +

CVE-2025-21004 affects products from samsung, specifically: galaxy_watch, galaxy_watch_4, galaxy_watch_4_classic, galaxy_watch_5, galaxy_watch_5_pro, galaxy_watch_6, galaxy_watch_6_classic, galaxy_watch_7, galaxy_watch_fe, galaxy_watch_ultra, wear_os. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-21004? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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