What’s Vulnerable › Vulnerabilities

CVE-2022-43604

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 14.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-03-16 · updated 2026-06-17
• Weakness: CWE-787

Description

An out-of-bounds write vulnerability exists in the GetAttributeList attribute_count_request functionality of EIP Stack Group OpENer development commit 58ee13c. A specially crafted EtherNet/IP request can lead to an out-of-bounds write, potentially causing the server to crash or allow for remote code execution. An attacker can send a series of EtherNet/IP requests to trigger this vulnerability.

Affected products

• EIPStackGroup OpENer EtherNet/IP: before 2022-10-18 — fixed in 2022-10-18

How to fix

Upgrade to a fixed version: EIPStackGroup OpENer EtherNet/IP 2022-10-18. Check the vendor advisory for mitigations.

References

• https://talosintelligence.com/vulnerability_reports/TALOS-2022-1661
• https://talosintelligence.com/vulnerability_reports/TALOS-2022-1661
• https://www.talosintelligence.com/vulnerability_reports/TALOS-2022-1661

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