CVE-2025-4393 Medtronic MyCareLink Patient Monitor Deserialization Vulnerability
A local attacker can exploit unsafe deserialization in Medtronic MyCareLink Patient Monitor to crash the service or elevate privileges.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-4393?
CVE-2025-4393 is a medium-severity unsafe deserialization vulnerability in Medtronic MyCareLink Patient Monitor 24950, published on 24 Jul 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Medtronic MyCareLink Patient Monitor has an internal service that deserializes data, which allows a local attacker to interact with the service by crafting a binary payload to crash the service or elevate privileges.
This issue affects MyCareLink Patient Monitor models 24950 and 24952: before June 25, 2025
Weakness: CWE-502
Which versions are affected by CVE-2025-4393?
How do I fix CVE-2025-4393?
No fix has been published for CVE-2025-4393 yet. Limit exposure of the affected software until one is available.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2025-4393 being exploited?
There is no known exploitation of CVE-2025-4393 in the wild and no public exploit code.
Sources
Also known as GHSA-783m-53vh-rmp2.