CVE-2025-21078

HIGH

Published Nov 5, 2025 Modified Nov 7, 2025

Description

Use of insufficiently random value of secretKey in Smart Switch prior to version 3.7.68.6 allows adjacent attackers to access backup data from applications.

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CVSS v3.1 Score

8.8

HIGH

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

Affected Products

Vendor	Product	Versions
samsung	smart_switch	< 3.7.68.6

References

Advisories & Patches

https://security.samsungmobile.com/serviceWeb.smsb?year=2025&month=11

Frequently Asked Questions

What is CVE-2025-21078? +

Use of insufficiently random value of secretKey in Smart Switch prior to version 3.7.68.6 allows adjacent attackers to access backup data from applications. It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2025-21078? +

CVE-2025-21078 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-21078? +

CVE-2025-21078 affects products from samsung, specifically: smart_switch. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-21078? +

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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