Exposed Reboot via Modbus
Priority MEDIUM 44CWE-749Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0056 46th percentileScored 2026-11-07
Fix Fixed CHARX SEC-3150 (Phoenix Contact): 1.9.1CHARX SEC-3100 (Phoenix Contact): 1.9.1+2 more products
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Phoenix Contact | CHARX SEC-3150 | 1.0.0 to before 1.9.1 | 1.9.1 | Patch available | CNA |
| Phoenix Contact | CHARX SEC-3100 | 1.0.0 to before 1.9.1 | 1.9.1 | Patch available | CNA |
| Phoenix Contact | CHARX SEC-3050 | 1.0.0 to before 1.9.1 | 1.9.1 | Patch available | CNA |
| Phoenix Contact | CHARX SEC-3000 | 1.0.0 to before 1.9.1 | 1.9.1 | Patch available | CNA |
- CHARX SEC-3150 VendorPhoenix Contact Affected 1.0.0 to before 1.9.1 Fixed in 1.9.1 Patch available CNA
- CHARX SEC-3100 VendorPhoenix Contact Affected 1.0.0 to before 1.9.1 Fixed in 1.9.1 Patch available CNA
- CHARX SEC-3050 VendorPhoenix Contact Affected 1.0.0 to before 1.9.1 Fixed in 1.9.1 Patch available CNA
- CHARX SEC-3000 VendorPhoenix Contact Affected 1.0.0 to before 1.9.1 Fixed in 1.9.1 Patch available CNA
Remediation
- Fix · CNA CHARX SEC-3150 (Phoenix Contact) Fixed in 1.9.1
- Fix · CNA CHARX SEC-3100 (Phoenix Contact) Fixed in 1.9.1
- Fix · CNA CHARX SEC-3050 (Phoenix Contact) Fixed in 1.9.1
- Fix · CNA CHARX SEC-3000 (Phoenix Contact) Fixed in 1.9.1
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Phoenix Contact CHARX SEC-3000, CHARX SEC-3050 and 2 more products 1.9.1
20 records Highest priority Priority MEDIUM 11 MEDIUM, 9 LOW
Other records, highest priority first
- TI-2026-32124 Firewall bypass during shutdownPriority MEDIUM 50
- TI-2026-32117 OCPP reconfiguration vulnerabilityPriority MEDIUM 49
- TI-2026-32106 Missing authentication for MQTT BrokerPriority MEDIUM 49
Timeline
- 2026-10-02 Threatist record created from CVE-2026-44107
- 2026-10-03 Alias added: GHSA-84gq-hw46-3cvp
References
More Phoenix Contact vulnerabilities
- TI-2014-07463 Phoenix Contact Software ProConOs and MultiProg Missing Authentication for Critical Function CVSS 2.0CRITICAL 10.0
- TI-2024-17093 PHOENIX CONTACT: Remote code execution in CHARX Series CVSS 3.1CRITICAL 9.8
- TI-2022-13692 Insufficient Verification of Data Vulnerability in PHOENIX CONTACT classic line industrial controllers CVSS 3.1CRITICAL 9.8
- TI-2026-21959 Remote code execution via uploading a malicious IODD file CVSS 3.1CRITICAL 9.8
- TI-2026-21940 Authentication Bypass in _account_log CVSS 3.1CRITICAL 9.8
- TI-2023-03334 PHOENIX CONTACT: OS Command Injection in WP 6xxx Web panels CVSS 3.1CRITICAL 10.0
Sources
- CVE-2026-44107 · CVE Program
- CVE-2026-44107 · NVD
- FIRST EPSS
- GHSA-84gq-hw46-3cvp · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences