[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f37inxAFdq04w7xiFi6lPlBu7eJ1ZrJGXEZChWgNztXA":3},{"article":4,"iocs":43,"watch_terms":48,"solutions":49,"lesson":138},{"id":5,"title":6,"slug":7,"summary":8,"ai_summary":9,"brief":10,"url":11,"image_url":12,"published_at":13,"ingested_at":14,"relevance_score":15,"entities":16,"category_id":26,"category":27,"article_tags":30},"e0b0e178-ab6c-4df1-b6e9-3cfdd9a232c0","Pyramid Solutions NetStaX EtherNet\u002FIP Stack","pyramid-solutions-netstax-ethernet-ip-stack-ee71f8","View CSAF Summary Successful exploitation of this vulnerability could result in memory corruption, a device crash, or a potential remote attack vector without the originating device receiving a CIP error indicating that the request could not be processed. The following versions of Pyramid Solutions NetStaX EtherNet\u002FIP Stack are affected: EtherNet\u002FIP Adapter DLL Kit (EIPA) EtherNet\u002FIP Adapter DLL Kit with CIP Security (EIPA-SECURE) EtherNet\u002FIP Adapter Development Kit (EADK) EtherNet\u002FIP Adapter Development Kit with CIP Security (EADK-SECURE) EtherNet\u002FIP Scanner DLL Kit (EIPS) EtherNet\u002FIP Scanner DLL Kit with CIP Security (EIPS-SECURE) EtherNet\u002FIP Scanner Development Kit (ESDK) EtherNet\u002FIP Scanner Development Kit with CIP Security (ESDK-SECURE) CVSS Vendor Equipment Vulnerabilities v3 9.8 Pyramid Solutions Pyramid Solutions NetStaX EtherNet\u002FIP Stack Stack-based Buffer Overflow Background Critical Infrastructure Sectors: Critical Manufacturing, Energy, Water and Wastewater, Chemical Countries\u002FAreas Deployed: Worldwide Company Headquarters Location: United States Vulnerabilities Expand All + CVE-2026-78012 An issue in the NetStaX EtherNet\u002FIP 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 potential remote attack vector without the originating device receiving a CIP error indicating that the request could not be processed. View CVE Details Affected Products Pyramid Solutions NetStaX EtherNet\u002FIP Stack Vendor: Pyramid Solutions Product Version: Pyramid Solutions EtherNet\u002FIP Adapter DLL Kit (EIPA): \u003Cv5.6.1, Pyramid Solutions EtherNet\u002FIP Adapter DLL Kit with CIP Security (EIPA-SECURE): \u003Cv5.6.1, Pyramid Solutions EtherNet\u002FIP Adapter Development Kit (EADK): \u003Cv5.6.1, Pyramid Solutions EtherNet\u002FIP Adapter Development Kit with CIP Security (EADK-SECURE): \u003Cv5.6.1, Pyramid Solutions EtherNet\u002FIP Scanner DLL Kit (EIPS): \u003Cv5.6.1, Pyramid Solutions EtherNet\u002FIP Scanner DLL Kit with CIP Security (EIPS-SECURE): \u003Cv5.6.1, Pyramid Solutions EtherNet\u002FIP Scanner Development Kit (ESDK): \u003Cv5.6.1, Pyramid Solutions EtherNet\u002FIP Scanner Development Kit with CIP Security (ESDK-SECURE): \u003Cv5.6.1 Product Status: known_affected Remediations Mitigation NetStaX v5.6.1 addresses this issue with multiple layers of protection, including a compile-time assertion, a runtime payload-size check, and clearer documentation of the relationships between packet and buffer-size constants. https:\u002F\u002Fpyramidsolutions.com\u002Fmy-account\u002F Mitigation For more information, see the Pyramid Solutions blog post \"NetStaX v5.6.1: Protecting Against Silent Buffer Overflow in Ethernet\u002FIP Stack Explicit Messages\". https:\u002F\u002Fpyramidsolutions.com\u002Fnetstax-v-5-6-1-protecting-against-silent-buffer-overflow-in-ethernet-ip-stack-explicit-messages\u002F Relevant CWE: CWE-121 Stack-based Buffer Overflow Metrics CVSS Version Base Score Base Severity Vector String 3.1 9.8 CRITICAL CVSS:3.1\u002FAV:N\u002FAC:L\u002FPR:N\u002FUI:N\u002FS:U\u002FC:H\u002FI:H\u002FA:H 4.0 9.3 CRITICAL CVSS:4.0\u002FAV:N\u002FAC:L\u002FAT:N\u002FPR:N\u002FUI:N\u002FVC:H\u002FVI:H\u002FVA:H\u002FSC:N\u002FSI:N\u002FSA:N Acknowledgments Pyramid Solutions reported this vulnerability to CISA Legal Notice and Terms of Use This product is provided subject to this Notification (https:\u002F\u002Fwww.cisa.gov\u002Fnotification) and this Privacy & Use policy (https:\u002F\u002Fwww.cisa.gov\u002Fprivacy-policy). Recommended Practices CISA recommends users take defensive measures to minimize the risk of exploitation of this vulnerability. Minimize network exposure for all control system devices and\u002For systems, ensuring they are not accessible from the internet. Locate control system networks and remote devices behind firewalls and isolating them from business networks. When remote access is required, use more secure methods, such as virtual private networks (VPNs), recognizing VPNs may have vulnerabilities and should be updated to the most current version available. Also recognize VPN is only as secure as the connected devices. CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures. CISA also provides a section for control systems security recommended practices on the ICS webpage on cisa.gov\u002Fics. Several CISA products detailing cyber defense best practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies. CISA encourages organizations to implement recommended cybersecurity strategies for proactive defense of ICS assets. Additional mitigation guidance and recommended practices are publicly available on the ICS webpage at cisa.gov\u002Fics in the technical information paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies. Organizations observing suspected malicious activity should follow established internal procedures and report findings to CISA for tracking and correlation against other incidents. No known public exploitation specifically targeting this vulnerability has been reported to CISA at this time. Revision History Initial Release Date: 2026-09-03 Date Revision Summary 2026-09-03 1 Initial Republication of Pyramid Solutions blog publication. Legal Notice and Terms of Use","A critical vulnerability (CVE-2026-78012) has been identified in Pyramid Solutions' NetStaX EtherNet\u002FIP Stack, affecting multiple versions of their DLL and Development Kits. Successful exploitation could lead to memory corruption, device crashes, or remote code execution without any error indication. The vulnerability is a stack-based buffer overflow that can be triggered by a large Class 3 explicit-message request.","Pyramid Solutions NetStaX EtherNet\u002FIP Stack vulnerable to critical buffer overflow.","https:\u002F\u002Fwww.cisa.gov\u002Fnews-events\u002Fics-advisories\u002Ficsa-26-246-07",null,"2026-09-03T12:00:00+00:00","2026-09-03T18:00:31.080374+00:00",8,[17,20,23],{"name":18,"type":19},"NetStaX EtherNet\u002FIP Stack","product",{"name":21,"type":22},"Pyramid Solutions","vendor",{"name":24,"type":25},"EtherNet\u002FIP","technology","80544778-fabb-4dcd-aa35-17492e5dcf4f",{"id":26,"icon":12,"name":28,"slug":29},"Vulnerabilities","vulnerabilities",[31,33,38],{"category":32},{"id":26,"icon":12,"name":28,"slug":29},{"category":34},{"id":35,"icon":12,"name":36,"slug":37},"d6f63bb8-0801-486a-be7f-171400700454","IoT\u002FOT","iot-ot",{"category":39},{"id":40,"icon":12,"name":41,"slug":42},"e7b231c8-5f79-4465-8d38-1ef13aea5a14","Threat Intelligence","threat-intelligence",[44],{"type":45,"value":46,"context":47},"cve","CVE-2026-78012","Stack-based buffer overflow in NetStaX EtherNet\u002FIP Stack prior to v5.6.1",[21,18],{"controls":50,"vendors":137},[51,79,108],{"slug":52,"name":53,"problem":54,"products":55},"patch-management","Automated patch management","Known holes get closed in days, not months.",[56,64,72],{"vendor_slug":57,"vendor_name":58,"vendor_logo":59,"product_slug":60,"product_name":61,"url":62,"description":63},"action1","Action1","\u002Fvendor-logos\u002Faction1.png","action1-patch-management","Action1 Patch Management","https:\u002F\u002Fwww.action1.com\u002F","Cloud-native patch management for Windows, macOS and third-party applications.",{"vendor_slug":65,"vendor_name":66,"vendor_logo":67,"product_slug":68,"product_name":69,"url":70,"description":71},"ninjaone","NinjaOne","\u002Fvendor-logos\u002Fninjaone.png","ninjaone-patch-management","NinjaOne Patch Management","https:\u002F\u002Fwww.ninjaone.com\u002Fpatch-management\u002F","Automated patching of operating systems and third-party applications from the cloud.",{"vendor_slug":73,"vendor_name":74,"vendor_logo":75,"product_slug":52,"product_name":76,"url":77,"description":78},"qualys","Qualys","\u002Fvendor-logos\u002Fqualys.png","Qualys Patch Management","https:\u002F\u002Fwww.qualys.com\u002Fapps\u002Fpatch-management\u002F","Patch deployment for operating systems and third-party applications, linked to vulnerability findings.",{"slug":80,"name":81,"problem":82,"products":83},"network-segmentation","Network segmentation and microsegmentation","One compromised machine can no longer reach everything else.",[84,92,100],{"vendor_slug":85,"vendor_name":86,"vendor_logo":87,"product_slug":88,"product_name":89,"url":90,"description":91},"illumio","Illumio","\u002Fvendor-logos\u002Fillumio.png","illumio-segmentation","Illumio Segmentation","https:\u002F\u002Fwww.illumio.com\u002Fillumio-segmentation","Maps traffic between workloads and enforces segmentation across data centre, cloud and endpoints.",{"vendor_slug":93,"vendor_name":94,"vendor_logo":95,"product_slug":96,"product_name":97,"url":98,"description":99},"akamai","Akamai","\u002Fvendor-logos\u002Fakamai.png","guardicore-segmentation","Akamai Guardicore Segmentation","https:\u002F\u002Fwww.akamai.com\u002Fproducts\u002Fakamai-guardicore-segmentation","Software-based microsegmentation with traffic visibility.",{"vendor_slug":101,"vendor_name":102,"vendor_logo":103,"product_slug":104,"product_name":105,"url":106,"description":107},"threatlocker","ThreatLocker","\u002Fvendor-logos\u002Fthreatlocker.png","zero-trust-endpoint-firewall","Zero Trust Endpoint Firewall","https:\u002F\u002Fwww.threatlocker.com\u002Fcapabilities\u002Fzero-trust-endpoint-firewall","Centrally managed host firewall with device-level and dynamic access rules, to limit which machines can talk to each other.",{"slug":109,"name":110,"problem":111,"products":112},"ot-security","OT and industrial control system security","Factory, building and utility control systems get visibility and protection.",[113,121,129],{"vendor_slug":114,"vendor_name":115,"vendor_logo":116,"product_slug":117,"product_name":118,"url":119,"description":120},"tenable","Tenable","\u002Fvendor-logos\u002Ftenable.png","tenable-ot-security","Tenable OT Security","https:\u002F\u002Fwww.tenable.com\u002Fproducts\u002Fot-security","Asset inventory, vulnerability and threat detection for industrial networks.",{"vendor_slug":122,"vendor_name":123,"vendor_logo":124,"product_slug":125,"product_name":126,"url":127,"description":128},"claroty","Claroty","\u002Fvendor-logos\u002Fclaroty.png","xdome","Claroty xDome","https:\u002F\u002Fclaroty.com\u002Findustrial-cybersecurity\u002Fxdome","Asset inventory, vulnerability management and threat detection for industrial networks.",{"vendor_slug":130,"vendor_name":131,"vendor_logo":132,"product_slug":133,"product_name":134,"url":135,"description":136},"nozomi-networks","Nozomi Networks","\u002Fvendor-logos\u002Fnozomi-networks.png","guardian","Nozomi Networks Guardian","https:\u002F\u002Fwww.nozominetworks.com\u002Fplatform\u002Fguardian","Passive monitoring, asset inventory and threat detection for OT and IoT networks.",[],{"slug":139,"title":140,"body":141,"framework_refs":142,"framework_notes":155},"critical-stack-buffer-overflow-in-netstax-ethernetip-stack-enables-silent-remote-code-execution","Critical Stack Buffer Overflow in NetStaX EtherNet\u002FIP Stack Enables Silent Remote Code Execution","A stack-based buffer overflow vulnerability in Pyramid Solutions' NetStaX EtherNet\u002FIP Stack allows attackers to trigger memory corruption or remote code execution by sending an oversized Class 3 explicit-message request — critically, with no error indication to alert defenders. This type of vulnerability is especially dangerous in operational technology (OT) and industrial control system (ICS) environments where affected DLLs and development kits may be embedded in mission-critical devices with long patch cycles. The silent failure mode means compromised devices may continue operating while under attacker control, delaying detection. Because EtherNet\u002FIP is widely used in industrial automation, exploitation could have cascading physical consequences beyond typical IT breaches.",[143,144,145,146,147,148,149,150,151,152,153,154],"CIS Control 7: Continuous Vulnerability Management","CIS Control 12: Network Infrastructure Management","CIS Control 13: Network Monitoring and Defense","NIST SP 800-82: Guide to ICS Security","NIST CSF ID.AM-2: Software platforms and applications are inventoried","NIST SI-2: Flaw Remediation","NIST SI-10: Information Input Validation","IEC 62443-3-3: System Security Requirements and Security Levels","IEC 62443-2-4: Security Program Requirements for IACS Service Providers","CISA ICS-CERT Advisory Best Practices","ITIL Change Management: Emergency Change Procedures","NIST SP 800-161: Supply Chain Risk Management (SBOM integration)",{}]