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TI-2019-03627 Aliases CVE-2019-5171GHSA-hvfr-v2x6-hcr4

OS command injection in WAGO PFC200

Priority LOW 37CWE-78Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
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 iocheckd service ‘I/O-Check’ function of the WAGO PFC 200 Firmware version 03.02.02(14). An attacker can send specially crafted packet at 0x1ea48 to the extracted hostname value from the xml file that is used as an argument to /etc/config-tools/config_interfaces interface=X1 state=enabled ip-address=<contents of ip node> using sprintf().

Why it matters now

EPSS 0.01389 72nd 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

VendorProductAffected versionsFixed inStatusSource
WAGOWAGO PFC200Firmware version 03.02.02(14)—No fix listedCNA
  • WAGO PFC200 VendorWAGO Affected Firmware version 03.02.02(14) Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:wago:pfc200_firmware:03.02.02\(14\):*:*:*:*:*:*:*03.02.02(14)VulnerableWAGO
cpe:2.3:h:wago:pfc200:-:*:*:*:*:*:*:*not specified by NVDRunning onWAGO
  • 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

  1. 2026-10-02 Threatist record created from CVE-2019-5171
  2. 2026-10-03 Alias added: GHSA-hvfr-v2x6-hcr4

References

Exploit 1

  • 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
See all 39 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences