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CVE-2026-44094— Fallback to second RAUC slot with default credentials

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之前版本存在异常处理不当漏洞，该漏洞源于系统固件回退到包含默认凭据的不安全配置，可能导致未授权的远程攻击者以非特权用户"user-app"身份进行SSH访问，并中断充电。

CVSS 8.6 · High EPSS 0.45% · P39

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-2026-44094

Vulnerability Information
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Vulnerability Title
Fallback to second RAUC slot with default credentials
Source: CVE Program / CVE List V5
Vulnerability Description
An unauthenticated remote attacker can enforce the system to fall back to a firmware partition with an insecure configuration including default credentials. This could allow the attacker to gain SSH access to the system as an unprivileged user "user-app". Charging could be interrupted.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未能安全地进行程序失效(Failing Open)
Source: CVE Program / CVE List V5
Vulnerability Title
PHOENIX CONTACT CHARX SEC-3150 异常处理不当漏洞
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之前版本存在异常处理不当漏洞，该漏洞源于系统固件回退到包含默认凭据的不安全配置，可能导致未授权的远程攻击者以非特权用户"user-app"身份进行SSH访问，并中断充电。
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-2026-44094

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-44094

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Vendor Advisories for CVE-2026-44094 (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-2026-44099 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-2026-44107 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-2026-44103 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-636