OS command injection in WAGO PFC200 Firmware
Priority LOW 39CWE-78Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-78.
Summary
An exploitable command injection vulnerability exists in the cloud connectivity functionality of WAGO PFC200 versions 03.02.02(14), 03.01.07(13), and 03.00.39(12). An attacker can inject operating system commands into the TimeoutPrepared parameter value contained in the firmware update command.
Why it matters now
EPSS 0.04179 90th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| WAGO | WAGO PFC200 Firmware | version 03.02.02(14); version 03.01.07(13); version 03.00.39(12) | — | No fix listed | CNA |
- WAGO PFC200 Firmware VendorWAGO Affected version 03.02.02(14); version 03.01.07(13); version 03.00.39(12) Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:wago:pfc200_firmware:03.00.39\(12\):*:*:*:*:*:*:* | 03.00.39(12) | Vulnerable | WAGO |
| cpe:2.3:o:wago:pfc200_firmware:03.01.07\(13\):*:*:*:*:*:*:* | 03.01.07(13) | Vulnerable | WAGO |
| cpe:2.3:o:wago:pfc200_firmware:03.02.02\(14\):*:*:*:*:*:*:* | 03.02.02(14) | Vulnerable | WAGO |
| cpe:2.3:h:wago:pfc200:-:*:*:*:*:*:*:* | not specified by NVD | Running on | WAGO |
- cpe:2.3:o:wago:pfc200_firmware:03.00.39\(12\):*:*:*:*:*:*:* Versions 03.00.39(12) Vulnerable ·WAGO
- cpe:2.3:o:wago:pfc200_firmware:03.01.07\(13\):*:*:*:*:*:*:* Versions 03.01.07(13) Vulnerable ·WAGO
- cpe:2.3:o:wago:pfc200_firmware:03.02.02\(14\):*:*:*:*:*:*:* Versions 03.02.02(14) Vulnerable ·WAGO
- cpe:2.3:h:wago:pfc200:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·WAGO
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2019-5156
- 2026-10-03 Alias added: GHSA-4wh8-v3px-8552
References
More WAGO Pfc200 Firmware vulnerabilities
- TI-2023-01594 WAGO: WBM Command Injection in multiple products CVSS 3.1CRITICAL 9.8
- TI-2019-03543 Out-of-bounds write in WAGO PFC200 CVSS 3.1CRITICAL 9.8
- TI-2018-03970 Improper authentication in WAGO PFC200 Series CVSS 3.0CRITICAL 9.8
- TI-2022-22215 WAGO: Missing Authentication for Critical Function CVSS 3.1CRITICAL 9.8
- TI-2019-03617 Insufficient verification of data authenticity in WAGO PFC200 Firmware CVSS 3.1CRITICAL 9.1
- TI-2019-03616 An exploitable improper host validation vulnerability exists in the Cloud Connectivity… CVSS 3.1CRITICAL 9.1
Sources
- CVE-2019-5156 · CVE Program
- CVE-2019-5156 · NVD
- FIRST EPSS
- GHSA-4wh8-v3px-8552 · 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