CVE-2025-21064 Auth bypass in Smart Switch
Adjacent attackers can bypass authentication to access transferring data in Samsung Smart Switch, requiring an upgrade to secure user information.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-21064?
CVE-2025-21064 is a high-severity authentication bypass vulnerability in Samsung Mobile Smart Switch, published on 10 Oct 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Improper authentication in Smart Switch prior to version 3.7.66.6 allows adjacent attackers to access transferring data.
Which versions are affected by CVE-2025-21064?
It affects 1 product.
Products include Samsung Smart Switch.
How do I fix CVE-2025-21064?
No fix has been published for CVE-2025-21064 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2025-21064 being exploited?
There is no known exploitation of CVE-2025-21064 in the wild and no public exploit code.
Other vulnerabilities in Samsung Mobile Smart Switch
Sources
Also known as GHSA-29w2-gq4m-pcw2.