CVE-2026-44107

published 2026-07-30

CVE-2026-44107: A reboot of the charging controller can be triggered via Modbus TCP without authentication. Therefore, when the Modbus functionality is enabled by opening the…

Priority P3 48 high 7.5 CVSS 3.1

AV N AC L PR N UI N S U C N I N A H

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.

Affected

4 ranges

Vendor	Product	Version range	Fixed in
phoenix_contact	charx_sec-3000	>= 1.0.0 < 1.9.1	1.9.1
phoenix_contact	charx_sec-3050	>= 1.0.0 < 1.9.1	1.9.1
phoenix_contact	charx_sec-3100	>= 1.0.0 < 1.9.1	1.9.1
phoenix_contact	charx_sec-3150	>= 1.0.0 < 1.9.1	1.9.1

CVSS provenance

nvd v3.1 7.5 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

nvd v4.0 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

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CWE-749