Unauthenticated Configuration Access via Exposed API Endpoint
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-306.
Summary
An unauthenticated adjacent attacker can modify configuration by sending specific requests to an API-endpoint resulting in read and write access due to missing authentication.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
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 | 0.0.0 to before 1.7.3 | 1.7.3 | Patch available | CNA |
| Phoenix Contact | CHARX SEC-3100 | 0.0.0 to before 1.7.3 | 1.7.3 | Patch available | CNA |
| Phoenix Contact | CHARX SEC-3050 | 0.0.0 to before 1.7.3 | 1.7.3 | Patch available | CNA |
| Phoenix Contact | CHARX SEC-3000 | 0.0.0 to before 1.7.3 | 1.7.3 | Patch available | CNA |
- CHARX SEC-3150 VendorPhoenix Contact Affected 0.0.0 to before 1.7.3 Fixed in 1.7.3 Patch available CNA
- CHARX SEC-3100 VendorPhoenix Contact Affected 0.0.0 to before 1.7.3 Fixed in 1.7.3 Patch available CNA
- CHARX SEC-3050 VendorPhoenix Contact Affected 0.0.0 to before 1.7.3 Fixed in 1.7.3 Patch available CNA
- CHARX SEC-3000 VendorPhoenix Contact Affected 0.0.0 to before 1.7.3 Fixed in 1.7.3 Patch available CNA
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:phoenixcontact:charx_sec-3000_firmware:*:*:*:*:*:*:*:* | before 1.7.3 | Vulnerable | Phoenixcontact |
| cpe:2.3:h:phoenixcontact:charx_sec-3000:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Phoenixcontact |
| cpe:2.3:o:phoenixcontact:charx_sec-3050_firmware:*:*:*:*:*:*:*:* | before 1.7.3 | Vulnerable | Phoenixcontact |
| cpe:2.3:h:phoenixcontact:charx_sec-3050:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Phoenixcontact |
| cpe:2.3:o:phoenixcontact:charx_sec-3100_firmware:*:*:*:*:*:*:*:* | before 1.7.3 | Vulnerable | Phoenixcontact |
| cpe:2.3:h:phoenixcontact:charx_sec-3100:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Phoenixcontact |
| cpe:2.3:o:phoenixcontact:charx_sec-3150_firmware:*:*:*:*:*:*:*:* | before 1.7.3 | Vulnerable | Phoenixcontact |
| cpe:2.3:h:phoenixcontact:charx_sec-3150:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Phoenixcontact |
- cpe:2.3:o:phoenixcontact:charx_sec-3000_firmware:*:*:*:*:*:*:*:* Versions before 1.7.3 Vulnerable ·Phoenixcontact
- cpe:2.3:h:phoenixcontact:charx_sec-3000:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Phoenixcontact
- cpe:2.3:o:phoenixcontact:charx_sec-3050_firmware:*:*:*:*:*:*:*:* Versions before 1.7.3 Vulnerable ·Phoenixcontact
- cpe:2.3:h:phoenixcontact:charx_sec-3050:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Phoenixcontact
- cpe:2.3:o:phoenixcontact:charx_sec-3100_firmware:*:*:*:*:*:*:*:* Versions before 1.7.3 Vulnerable ·Phoenixcontact
- cpe:2.3:h:phoenixcontact:charx_sec-3100:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Phoenixcontact
- cpe:2.3:o:phoenixcontact:charx_sec-3150_firmware:*:*:*:*:*:*:*:* Versions before 1.7.3 Vulnerable ·Phoenixcontact
- cpe:2.3:h:phoenixcontact:charx_sec-3150:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Phoenixcontact
Remediation
- Fix · CNA CHARX SEC-3150 (Phoenix Contact) Fixed in 1.7.3
- Fix · CNA CHARX SEC-3100 (Phoenix Contact) Fixed in 1.7.3
- Fix · CNA CHARX SEC-3050 (Phoenix Contact) Fixed in 1.7.3
- Fix · CNA CHARX SEC-3000 (Phoenix Contact) Fixed in 1.7.3
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 1.7.3
6 records Highest priority Priority MEDIUM 3 MEDIUM, 3 LOW
Other records, highest priority first
- TI-2025-18926 Remote Code Execution via Unauthenticated Configuration ManipulationPriority MEDIUM 50
- TI-2025-18927 OCPP Backend Configuration via Insecure DefaultsPriority MEDIUM 40
- TI-2025-18925 Local Privilege Escalation via Unauthenticated Command InjectionPriority LOW 38
Timeline
- 2026-10-02 Threatist record created from CVE-2025-25268
- 2026-10-03 Alias added: GHSA-9x27-gx66-668w
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-2025-25268 · CVE Program
- CVE-2025-25268 · NVD
- FIRST EPSS
- GHSA-9x27-gx66-668w · 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