CVE-2025-41761
Mbs-Solutions Universal Bacnet Router Firmware ≤ 6.0.1.0
Raw vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSummary
CVE-2025-41761 is a high-severity Argument Injection (CWE-88) vulnerability in Mbs-Solutions Universal Bacnet Router Firmware. Its CVSS base score is 7.8 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Command and Scripting Interpreter (T1059); ranked at the 6th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
The strongest mitigations our analysis identified map to SA-11 (Developer Testing and Evaluation) and SI-10 (Information Input Validation) — see the control section below for these in your framework.
Deeper analysis AI-assisted summary
Synthesised by an AI model from the NVD description and linked references — a reading aid, not an authoritative source.
CVE-2025-41761 is a privilege escalation vulnerability in the UBR service account, published on 2026-03-09. It stems from the service account being permitted to execute certain binaries, such as tcpdump and ip, with sudo privileges. This misconfiguration allows a low-privileged local attacker with access to the account to escalate to full system access. The issue carries a CVSS v3.1 base score of 7.8 (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) and maps to CWE-88 (Improper Neutralization of Argument Delimiters in a Command).
A low-privileged local attacker who obtains access to the UBR service account, such as via SSH, can exploit this vulnerability. By leveraging the sudo permissions on the specified binaries, the attacker achieves privilege escalation, resulting in high-impact compromise of confidentiality, integrity, and availability on the affected system.
Mitigation details are available in the advisory from MBS Solutions at https://www.mbs-solutions.de/mbs-2025-0001.
OWASP Top 10 for Web (2025)
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2025-208368
Vulnerability Data
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)…
more
with sudo.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise Techniques
CVEs Like This One
Affected Assets
Mitigating Controls
Control response
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V1.2.5
Mitigating Controls (NIST 800-53 r5) AI
Developer testing can discover argument-injection flaws in command-construction code but does not stop their introduction.
Input validation directly stops construction of command strings containing unneutralized delimiters or injected arguments.
Mitigating Controls (NIST CSF 2.0) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.
Secure SDLC practices directly require proper input validation and command construction to prevent argument injection.
Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.
Security testing can detect argument injection but does not prevent it at the source.
Secure development lifecycle mandates input validation and command construction practices that directly prevent argument injection.
Application security requirements include explicit rules for safe command-line argument handling and escaping.
Secure architecture principles discourage unsafe command invocation patterns and favor safer APIs.
Secure coding standards explicitly require proper neutralization of command arguments, directly eliminating CWE-88.
Change management can catch unsafe command patterns during reviews but is not a direct mitigation.