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THREATINT
PUBLISHED

CVE-2025-2071

OS Command Injection Vulnerability in FAST LTA Silent Brick WebUI



Description

A critical OS Command Injection vulnerability has been identified in the FAST LTA Silent Brick WebUI, allowing remote attackers to execute arbitrary operating system commands via specially crafted input. This vulnerability arises due to improper handling of untrusted input, which is passed directly to system-level commands without adequate sanitization or validation. Successful exploitation could allow attackers to execute arbitrary commands on the affected system, potentially resulting in unauthorized access, data leakage, or full system compromise. Affected WebUI parameters are "hd" and "pi".

Reserved 2025-03-06 | Published 2025-03-31 | Updated 2025-03-31 | Assigner SEC-VLab


CRITICAL: 10.0CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/S:P/AU:N/RE:M/U:Amber

Problem types

CWE-78: Improper Neutralization of Special Elements used in an OS Command (OS Command Injection)

Product status

Default status
unaffected

WebUI Release 2.45 (Linux 5.4.109-gentoo-FAST) before 2.63.04
affected

Timeline

2024-12-24:vulnerability has been identified and reported to the vendor
2025-01-16:transmission of further technical information to the vendor
2025-01-23:vulnerability has been confirmed by the vendor and a patch is in progress
2025-03-06:Vendor patch available

Credits

Stefan Mettler from CRYPTRON Security GmbH finder

References

www.fast-lta.de/de/fast/silent-bricks-software-2-63 release-notes

cve.org (CVE-2025-2071)

nvd.nist.gov (CVE-2025-2071)

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