CVE-2026-40852

Command injection via malicious configuration

Published May 27, 2026 CVSS 3.1 · 7.2 High EPSS < 1% KEV · Not listed
Description
A highly authenticated attacker can alter the config generator injecting a payload into future created configurations. The device is not correctly checking this configuration value before passing it to an system execute leading to code execution. This can result in a total loss of confidentiality, integrity and availability.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description A highly authenticated attacker can alter the config generator injecting a payload into future created configurations. The device is not correctly checking this configuration value before passing it to an system execute leading to code execution. This can result in a total loss of confidentiality, integrity and availability.
Title Command injection via malicious configuration
First Time appeared Helmholz
Helmholz rex100
Helmholz rex200 250
Mb Connect Line
Mb Connect Line mbnet
Mb Connect Line mbnet.mini
Mb Connect Line mbnet Mbnet.rokey
Weaknesses CWE-78
CPEs cpe:2.3:a:helmholz:rex100:*:*:*:*:*:*:*:*
cpe:2.3:a:helmholz:rex200_250:*:*:*:*:*:*:*:*
cpe:2.3:a:mb_connect_line:mbnet.mini:*:*:*:*:*:*:*:*
cpe:2.3:a:mb_connect_line:mbnet_mbnet.rokey:*:*:*:*:*:*:*:*
cpe:2.3:o:helmholz:rex100:3.0.2:*:*:*:*:*:*:*
cpe:2.3:o:helmholz:rex200_250:8.4.4:*:*:*:*:*:*:*
cpe:2.3:o:mb_connect_line:mbnet.mini:3.0.2:*:*:*:*:*:*:*
cpe:2.3:o:mb_connect_line:mbnet:8.4.4:*:*:*:*:*:*:*
Vendors & Products Helmholz
Helmholz rex100
Helmholz rex200 250
Mb Connect Line
Mb Connect Line mbnet
Mb Connect Line mbnet.mini
Mb Connect Line mbnet Mbnet.rokey
References
Metrics cvssV3_1

{'score': 7.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
CERTVDE
Published
Updated
May 27, 2026, 11:54 AM
Reserved
Apr 15, 2026, 9:33 AM
Status
Deferred
Published
May 27, 2026, 9:16 AM
Modified
Oct 26, 2026, 11:10 AM