CVE-2025-21062 Weak cryptography in Smart Switch

High 7.8 Published 10 Oct 2025 Updated 26 Feb 2026

Local attackers can replace the restoring application via weak cryptography, requiring user interaction to execute code.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2025-21062?

CVE-2025-21062 is a high-severity vulnerability in Samsung Mobile Smart Switch, published on 10 Oct 2025. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Use of a broken or risky cryptographic algorithm in Smart Switch prior to version 3.7.67.2 allows local attackers to replace the restoring application. User interaction is required for triggering this vulnerability.

Weakness: CWE-327

Which versions are affected by CVE-2025-21062?

It affects 1 product.

Products include Samsung Smart Switch.

How do I fix CVE-2025-21062?

No fix has been published for CVE-2025-21062 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-21062 being exploited?

There is no known exploitation of CVE-2025-21062 in the wild and no public exploit code.

Sources

Also known as GHSA-44xv-7pq5-8px9.