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CVE-2026-44107— Exposed Reboot via Modbus

Quick assessment

Affected
Phoenix Contact CHARX SEC-3150
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

PHOENIX CONTACT CHARX SEC-3150是德国PHOENIX CONTACT公司的电动车充电站。 PHOENIX CONTACT CHARX SEC-3150 1.9.1之前版本存在权限许可和访问控制问题漏洞，该漏洞源于允许未经身份验证的Modbus TCP触发充电控制器重启，可能导致拒绝服务攻击。

CVSS 7.5 · High EPSS 0.56% · P47

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 4

VendorProduct Version RangeStatus
Phoenix Contact CHARX SEC-3000 1.0.0< 1.9.1 affected
Phoenix Contact CHARX SEC-3050 1.0.0< 1.9.1 affected
Phoenix Contact CHARX SEC-3100 1.0.0< 1.9.1 affected
Phoenix Contact CHARX SEC-3150 1.0.0< 1.9.1 affected
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I. Basic Information for CVE-2026-44107

Vulnerability Information
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Vulnerability Title
Exposed Reboot via Modbus
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
暴露危险的方法或函数
Source: CVE Program / CVE List V5
Vulnerability Title
PHOENIX CONTACT CHARX SEC-3150 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PHOENIX CONTACT CHARX SEC-3150是德国PHOENIX CONTACT公司的电动车充电站。 PHOENIX CONTACT CHARX SEC-3150 1.9.1之前版本存在权限许可和访问控制问题漏洞，该漏洞源于允许未经身份验证的Modbus TCP触发充电控制器重启，可能导致拒绝服务攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Phoenix Contact CHARX SEC-3150 1.0.0 ~ 1.9.1 -
Phoenix Contact CHARX SEC-3100 1.0.0 ~ 1.9.1 -
Phoenix Contact CHARX SEC-3050 1.0.0 ~ 1.9.1 -
Phoenix Contact CHARX SEC-3000 1.0.0 ~ 1.9.1 -

II. Public POCs for CVE-2026-44107

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III. Intelligence Information for CVE-2026-44107

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Vendor Advisories for CVE-2026-44107 (1)

Same Patch Batch · Phoenix Contact · 2026-07-30 · 20 CVEs total

CVE-2026-44090 9.8 CRITICAL Missing authentication for MQTT Broker
CVE-2026-44101 9.8 CRITICAL OCPP reconfiguration vulnerability
CVE-2026-7849 9.8 CRITICAL Command Injection in SCM (idledisconnect parameter)
CVE-2026-44108 9.8 CRITICAL Firewall bypass during shutdown
CVE-2026-44104 9.8 CRITICAL ControllerAgent does not perform validation of firmware
CVE-2026-44100 9.4 CRITICAL JupiCore charging point reconfiguration without auth
CVE-2026-44091 9.1 CRITICAL Creation of a new configuration by posting a malicious ID to MQTT
CVE-2026-44092 9.1 CRITICAL Missing input validation / stripping of CRLF characters in SystemConfigManager
CVE-2026-44098 8.6 HIGH OS Command Injection in OCPP Agent via charge_box_id
CVE-2026-44094 8.6 HIGH Fallback to second RAUC slot with default credentials
CVE-2026-44099 7.8 HIGH Local Privilege Escalation via pppd password injection
CVE-2026-44106 7.8 HIGH Local Privilege Escalation vulnerability in /etc/init.d/user-applications via customer web
CVE-2026-44093 7.8 HIGH Local Privilege Escalation vulnerability in /etc/init.d/user-applications via user-applica
CVE-2026-44096 7.8 HIGH udhcpc Privilege Escalation
CVE-2026-44095 7.8 HIGH Local Privilege Escalation via Network scripts
CVE-2026-44097 7.1 HIGH File Upload vulnerability
CVE-2026-44105 6.6 MEDIUM Cleartext password in logs
CVE-2026-44103 5.3 MEDIUM JupiCore does not perform validation of firmware
CVE-2026-44102 5.3 MEDIUM OCPP Firmware download is not properly locked

IV. Related Vulnerabilities

Same product: CHARX SEC-3150
Same vendor: Phoenix Contact
Same weakness: CWE-749