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Unrated severityNVD Advisory· Published Nov 9, 2022· Updated May 1, 2025

WAGO I/O-Check Service prone to Allocation of Resources Without Limits or Throttling

CVE-2021-34568

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.

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LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

7
  • Wago/I/O-Check Servicellm-fuzzy
  • WAGO/750-81xx/xxx-xxxFWv5
    Range: FW1
  • Wago/750-832/xxx-xxxcpe-rescue
    Range: FW1
  • WAGO/752-8303/8000-0002v5
    Range: FW1
  • WAGO/762-4xxxv5
    Range: FW1
  • WAGO/762-5xxxv5
    Range: FW1
  • WAGO/762-6xxxv5
    Range: FW1

Patches

Vulnerability mechanics

References

1

News mentions

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