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High severity8.6NVD Advisory· Published Apr 5, 2018· Updated Jun 17, 2026

CVE-2017-12088

CVE-2017-12088

Description

An exploitable denial of service vulnerability exists in the Ethernet functionality of the Allen Bradley Micrologix 1400 Series B FRN 21.2 and below. A specially crafted packet can cause a device power cycle resulting in a fault state and deletion of ladder logic. An attacker can send one unauthenticated packet to trigger this vulnerability

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

Affected products

2
  • Allen-Bradley/Micrologix 1400 Series Bllm-fuzzy
    Range: <= FRN 21.2
  • Talos/Allen Bradleyv5
    Range: Allen Bradley Micrologix 1400 Series B FRN 21.2, Allen Bradley Micrologix 1400 Series B FRN 21.0, Allen Bradley Micrologix 1400 Series B FRN 15

Patches

Vulnerability mechanics

References

1

News mentions

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