CVE-2025-34394 Barracuda RMM < 2025.1.1 Service Center .NET Remoting Deserialization RCE
Remote attackers can execute arbitrary code via unsafe .NET Remoting deserialization in Barracuda RMM Service Center.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-34394?
CVE-2025-34394 is a critical unsafe deserialization vulnerability in Barracuda Networks RMM, published on 10 Dec 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Barracuda Service Center, as implemented in the RMM solution, in versions prior to 2025.1.1, exposes a .NET Remoting service that is insufficiently protected against deserialization of arbitrary types. This can lead to remote code execution.
Weakness: CWE-502
Which versions are affected by CVE-2025-34394?
It affects 1 product.
Products include Barracuda Rmm.
How do I fix CVE-2025-34394?
No fix has been published for CVE-2025-34394 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-2025-34394 being exploited?
There is no known exploitation of CVE-2025-34394 in the wild and no public exploit code.
Other vulnerabilities in Barracuda Networks RMM
Sources
Also known as GHSA-57g8-267x-ffc8.