CVE-2025-41761
Received Received - Intake
Privilege Escalation via Sudo Misconfiguration in UBR Service

Publication date: 2026-03-09

Last updated on: 2026-03-11

Assigner: CERT VDE

Description
A low‑privileged local attacker who gains access to the UBR service account (e.g., via SSH) can escalate privileges to obtain full system access. This is due to the service account being permitted to execute certain binaries (e.g., tcpdump and ip) with sudo.
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Meta Information
Published
2026-03-09
Last Modified
2026-03-11
Generated
2026-06-16
AI Q&A
2026-03-09
EPSS Evaluated
2026-06-15
NVD
CVE-2025-41761
EUVD
EUVD-2025-208368
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
mbs-solutions universal_bacnet_router_firmware to 6.0.1.0 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-88 The product constructs a string for a command to be executed by a separate component in another control sphere, but it does not properly delimit the intended arguments, options, or switches within that command string.
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Executive Summary

This vulnerability allows a low-privileged local attacker who has access to the UBR service account, for example via SSH, to escalate their privileges and gain full system access. The escalation is possible because the service account is allowed to run certain binaries like tcpdump and ip with sudo privileges.

Impact Analysis

The impact of this vulnerability is that an attacker with limited access can gain full control over the affected system. This includes the ability to read, modify, or delete data, install malicious software, and disrupt system operations.

Compliance Impact

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