CVE-2026-44107

Exposed Reboot via Modbus

State: Published
Severity: 8.7 High
Published: Jul 30, 2026
Updated: Jul 30, 2026
Reserved: May 5, 2026

Description

A reboot of the charging controller can be triggered via Modbus TCP without authentication. Therefore, when the Modbus functionality is enabled by opening the port that CharxModbusServer is listening, an unauthenticated attacker can perform a Denial-of-Service attack.

Scores

CVSS	Score	Vector	Source
4.0	8.7 High	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N	CERTVDE
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	CERTVDE

Weaknesses

CWE-749 Exposed Dangerous Method or Function

Affected Products

Product	Versions
CHARX SEC-3150Phoenix Contact	1.0.0 to before 1.9.1Affected
CHARX SEC-3100Phoenix Contact	1.0.0 to before 1.9.1Affected
CHARX SEC-3050Phoenix Contact	1.0.0 to before 1.9.1Affected
CHARX SEC-3000Phoenix Contact	1.0.0 to before 1.9.1Affected

References

https://www.certvde.com/en/advisories/VDE-2026-008/

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