What’s Vulnerable › Vulnerabilities

CVE-2025-34394: Barracuda RMM < 2025.1.1 Service Center .NET Remoting Deserialization RCE

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-12-10 · updated 2026-10-14
• Weakness: CWE-502

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.

Affected products

• Barracuda Networks RMM: before 2025.1.1 — fixed in 2025.1.1

How to fix

Upgrade to a fixed version: Barracuda Networks RMM 2025.1.1. Check the vendor advisory for mitigations.

References

• https://download.mw-rmm.barracudamsp.com/PDF/2025.1.1/RN_BRMM_2025.1.1_EN.pdf
• https://www.barracuda.com/products/msp/network-protection/rmm
• https://www.vulncheck.com/advisories/barracuda-rmm-service-center-net-remoting-deserialization-rce

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