← Database
CVE-2021-34567
HIGH
CVSS: 8.2
Published: 2022-11-09
Modified: 2026-06-17
Description
In WAGO I/O-Check Service in multiple products an unauthenticated remote attacker can send a specially crafted packet containing OS commands to provoke a denial of service and an limited out-of-bounds read.
Affected Platforms
Wago 762-4203\/8000-001Wago 762-4202\/8000-001Wago 762-4104Wago 762-6204\/8000-001Wago 762-5305\/8000-002Wago 762-4204\/8000-001Wago 762-4206\/8000-001Wago 762-6303\/8000-002 FirmwareWago 762-4301\/8000-002Wago 762-5306\/8000-002