title: WAGO I/O-Check Service prone to Out-of-bounds Write
description: In WAGO I/O-Check Service in multiple products an attacker can send a specially crafted packet containing OS commands to crash the diagnostic tool and write memory.
problem types: CWE-787 Out-of-bounds Write
affected:
{
defaultStatus: unaffected
product: 750-81xx/xxx-xxxFW
vendor: WAGO
versions:
lessThanOrEqual: FW18 Patch 2, status: affected, version: FW1, versionType: custom
}
{
defaultStatus: unaffected
product: 750-82xx/xxx-xxx
vendor: WAGO
versions:
lessThanOrEqual: FW18 Patch 2, status: affected, version: FW1, versionType: custom
}
{
defaultStatus: unaffected
product: 752-8303/8000-0002
vendor: WAGO
versions:
lessThanOrEqual: FW18 Patch 2, status: affected, version: FW1, versionType: custom
}
{
defaultStatus: unaffected
product: 762-4xxx
vendor: WAGO
versions:
lessThanOrEqual: FW18 Patch 2, status: affected, version: FW1, versionType: custom
}
{
defaultStatus: unaffected
product: 762-5xxx
vendor: WAGO
versions:
lessThanOrEqual: FW18 Patch 2, status: affected, version: FW1, versionType: custom
}
{
defaultStatus: unaffected
product: 762-6xxx
vendor: WAGO
versions:
lessThanOrEqual: FW18 Patch 2, status: affected, version: FW1, versionType: custom
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: HIGH
baseScore: 9.8
baseSeverity: CRITICAL
confidentialityImpact: HIGH
integrityImpact: HIGH
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
version: 3.1
]
format: CVSS
scenarios: GENERAL