Pyramid Solutions NetStaX EtherNet/IP Stack

Summary

Vulnerabilities 1

• Critical 9.8
  CVE-2026-78012

  Stack-based Buffer Overflow in Pyramid Solutions NetStaX EtherNet/IP Stack

  An issue in the NetStaX EtherNet/IP Stack prior to v5.6.1 could allow a large Class 3 explicit-message request to exceed the application-side receive buffer without generating an error or warning. The result could be memory corruption, a device crash, or a po…

  Pyramid Solutions EtherNet/IP Adapter DLL Kit (EIPA) EtherNet/IP Adapter Development Kit (EADK) EtherNet/IP Scanner DLL Kit (EIPS)
  Sep 1, 2026

Revision history

1. 2026-09-03 #1

   Initial Republication of Pyramid Solutions blog publication.

References

• ICSA Advisory ICSA-26-246-07 - Web Version
  https://www.cisa.gov/news-events/ics-advisories/icsa-26-246-07
• Recommended Practices
  https://www.cisa.gov/uscert/ics/alerts/ICS-ALERT-10-301-01
• Recommended Practices
  https://www.cisa.gov/resources-tools/resources/ics-recommended-practices
• Recommended Practices
  https://www.cisa.gov/sites/default/files/publications/Cybersecurity_Best_Practices_for_Industrial_Control_Systems.pdf
• Recommended Practices
  https://www.cisa.gov/topics/industrial-control-systems
• Recommended Practices
  https://www.cisa.gov/news-events/ics-alerts/ics-alert-10-301-01
• Recommended Practices
  https://www.cisa.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf
• Recommended Practices
  https://www.cisa.gov/news-events/news/targeted-cyber-intrusion-detection-and-mitigation-strategies-update-b
• Recommended Practices
  https://www.cisa.gov/secure-our-world/teach-employees-avoid-phishing
• Recommended Practices
  https://www.cisa.gov/news-events/news/avoiding-social-engineering-and-phishing-attacks