CVE-2019-5171: 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…

PriorityP342high7.8CVSS 3.1

AVLACLPRLUINSUCHIHAH

EPSS

1.39%

69.1th percentile

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= using sprintf().

Affected

2 ranges

Vendor	Product	Version range	Fixed in
wago	pfc200_firmware	—	—
wago	wago_pfc200	—	—

CVSS provenance

nvdv3.17.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

nvdv2.07.2HIGHAV:L/AC:L/Au:N/C:C/I:C/A:C

Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.