What’s Vulnerable › Vulnerabilities

CVE-2025-34392: Barracuda RMM < 2025.1.1 Service Center Absolute Path Traversal RCE

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 24.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-12-10 · updated 2026-10-14
• Weakness: CWE-36

Description

Barracuda Service Center, as implemented in the RMM solution, in versions prior to 2025.1.1, does not verify the URL defined in an attacker-controlled WSDL that is later loaded by the application. This can lead to arbitrary file write and remote code execution via webshell upload.

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://labs.watchtowr.com/soapwn-pwning-net-framework-applications-through-http-client-proxies-and-wsdl/
• https://www.barracuda.com/products/msp/network-protection/rmm
• https://www.vulncheck.com/advisories/barracuda-rmm-service-center-absolute-path-traversal-rce

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