Missing input validation / stripping of CRLF characters in SystemConfigManager
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- None · High · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
An unauthenticated remote attacker can inject malicious input into the ModbusServer application because it does not validate the input it fetches from MQTT. This may lead to integrity and availability loss.
Why it matters now
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
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2026-44092
- 2026-10-03 Alias added: GHSA-hf79-46vv-6v3g
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-2026-44092 · CVE Program
- CVE-2026-44092 · NVD
- FIRST EPSS
- GHSA-hf79-46vv-6v3g · GitHub Advisory Database · CC BY 4.0
- CVE-2026-44092 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences