SSA-724261

Siemens Security Advisory by Siemens ProductCERT

SSA-724261: Command Injection Vulnerability in meta-iot2050

Publication Date:	2026-11-10
Last Update:	2026-11-10
Current Version:	V1.0
CVSS v3.1 Base Score:	7.3
CVSS v4.0 Base Score:	7.0

SUMMARY

meta-iot2050 (https://github.com/siemens/meta-iot2050) from V01.03.01 contains a Command Injection vulnerability in the firmware update tool that could allow an attacker which is able to manipulate a configuration file to have arbitrary commands run as root.

Siemens is preparing fixes and recommends mitigations for products where fixes are not or not yet available.

KNOWN AFFECTED PRODUCTS

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Affected Product and Versions	Remediation
meta-iot2050 All versions >= V01.03.01 affected by CVE-2026-109830	Currently no fix is available

MITIGATIONS

Please follow the General Security Recommendations.

GENERAL SECURITY RECOMMENDATIONS

As a general security measure, Siemens strongly recommends to protect network access to devices with appropriate mechanisms. In order to operate the devices in a protected IT environment, Siemens recommends to configure the environment according to Siemens' operational guidelines for Industrial Security (Download: https://www.siemens.com/cert/operational-guidelines-industrial-security), and to follow the recommendations in the product manuals. Additional information on Industrial Security by Siemens can be found at: https://www.siemens.com/industrialsecurity

VULNERABILITY DESCRIPTION

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This chapter describes all vulnerabilities (CVE-IDs) addressed in this security advisory. Wherever applicable, it also documents the product-specific impact of the individual vulnerabilities.

Vulnerability CVE-2026-109830

Affected devices take parts from a configuration file and execute them unchecked. This could allow an attacker which is able to manipulate the configuration file to make the user execute arbitrary code on the device.

CVSS v3.1 Base Score	7.3
CVSS v3.1 Vector	CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0 Base Score	7.0
CVSS v4.0 Vector	CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CWE	CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

ACKNOWLEDGMENTS

Siemens thanks the following party for its efforts:

Jiaming Guo from University of Chinese Academy of Sciences for coordinated disclosure

ADDITIONAL INFORMATION

The fix for the vulnerability is already included in the master branch and will be published in the next release.

For further inquiries on security vulnerabilities in Siemens products and solutions, please contact the Siemens ProductCERT: https://www.siemens.com/cert/advisories

HISTORY DATA

V1.0 (2026-11-10):

Publication Date

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