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CVE-2025-34394

Barracuda RMM < 2025.1.1 Service Center .NET Remoting Deserialization RCE

Published: Dec 10, 2025Updated: Dec 23, 2025 Sources: CVE List NVDCWE-502
9.8CRITICAL
NVD MITRE
EPSS Score
0.6%
Top 56.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available
Self-Check
OpenVAS

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-502

Affected Products

Barracuda Networks
commercial·USaka barracuda spam firewall, barracuda im firewall, rmm
RMMOn-prem
Networking Infrastructure / firewall
barracuda
commercialaka email security gateway 400 firmware, email security gateway 300 firmware, rmm
rmmMixed
Security Products / siem-soar

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

3 techniques
Execution
Initial Access
View detailed technique mapping

References

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

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