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CVE-2026-44104— ControllerAgent does not perform validation of firmware

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 1.0.0版本至1.9.1之前版本存在加密问题漏洞，该漏洞源于固件更新过程仅验证CRC32校验和而未进行加密签名验证，导致未经身份验证的远程攻击者可安装修改后的固件，造成系统完全受损。

CVSS 9.8 · Critical EPSS 0.24% · P16

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-2026-44104

Vulnerability Information
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Vulnerability Title
ControllerAgent does not perform validation of firmware
Source: CVE Program / CVE List V5
Vulnerability Description
The firmware update process for the basemodule of the charging controller only validates the CRC32 checksum without cryptographic signature verification. This allows an unauthenticated remote attacker to install a modified firmware, resulting in full system compromise.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
密码学签名的验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
PHOENIX CONTACT CHARX SEC-3150 加密问题漏洞
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 1.0.0版本至1.9.1之前版本存在加密问题漏洞，该漏洞源于固件更新过程仅验证CRC32校验和而未进行加密签名验证，导致未经身份验证的远程攻击者可安装修改后的固件，造成系统完全受损。
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-2026-44104

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III. Intelligence Information for CVE-2026-44104

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Vendor Advisories for CVE-2026-44104 (1)

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

CVE-2026-44090 9.8 CRITICAL Missing authentication for MQTT Broker
CVE-2026-44108 9.8 CRITICAL Firewall bypass during shutdown
CVE-2026-44101 9.8 CRITICAL OCPP reconfiguration vulnerability
CVE-2026-7849 9.8 CRITICAL Command Injection in SCM (idledisconnect parameter)
CVE-2026-44100 9.4 CRITICAL JupiCore charging point reconfiguration without auth
CVE-2026-44092 9.1 CRITICAL Missing input validation / stripping of CRLF characters in SystemConfigManager
CVE-2026-44091 9.1 CRITICAL Creation of a new configuration by posting a malicious ID to MQTT
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-2026-44095 7.8 HIGH Local Privilege Escalation via Network scripts
CVE-2026-44099 7.8 HIGH Local Privilege Escalation via pppd password injection
CVE-2026-44096 7.8 HIGH udhcpc Privilege Escalation
CVE-2026-44093 7.8 HIGH Local Privilege Escalation vulnerability in /etc/init.d/user-applications via user-applica
CVE-2026-44106 7.8 HIGH Local Privilege Escalation vulnerability in /etc/init.d/user-applications via customer web
CVE-2026-44107 7.5 HIGH Exposed Reboot via Modbus
CVE-2026-44097 7.1 HIGH File Upload vulnerability
CVE-2026-44105 6.6 MEDIUM Cleartext password in logs
CVE-2026-44102 5.3 MEDIUM OCPP Firmware download is not properly locked
CVE-2026-44103 5.3 MEDIUM JupiCore does not perform validation of firmware

IV. Related Vulnerabilities

Same product: CHARX SEC-3150
Same vendor: Phoenix Contact
Same weakness: CWE-347

V. Comments for CVE-2026-44104

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