CVE-2019-5182

MEDIUM
5.5
CVSS Score
Published: March 11, 2020 at 10:09 PM UTC
Updated: June 17, 2026 at 02:37 AM UTC
2 products affected across 1 vendorPFC200 FirmwarePFC200

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.5%

Description

An exploitable stack buffer overflow vulnerability vulnerability exists in the iocheckd service ‘I/O-Check’ functionality of WAGO PFC 200 Firmware version 03.02.02(14). An attacker can send a specially crafted packet to trigger the parsing of this cache file.The destination buffer sp+0x440 is overflowed with the call to sprintf() for any type values that are greater than 1024-len(‘/etc/config-tools/config_interfaces interface=X1 state=enabled config-type=‘) in length. A type value of length 0x3d9 will cause the service to crash.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (1)

x_refsource_MISCExploitMitigationTechnical DescriptionThird Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2019-0963

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-787

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