CVE-2026-78012
Stack-based Buffer Overflow in Pyramid Solutions NetStaX EtherNet/IP Stack
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in v5.6.1
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
CISA's decision points: whether it is exploited, whether attacks can be automated, and how much control an attacker gets. Assessed (SSVC 2.0.3).What do these mean? →
- Exploitation: none
- Automatable: yes
- Technical impact: total
Summary
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 potential remote attack vector without the originating device receiving a CIP error indicating that the request could not be processed.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: yes · Technical impact: total
- Record last updated
Affected versions
- Pyramid Solutions EtherNet/IP Adapter DLL Kit (EIPA)
through v5.6.1
- Pyramid Solutions EtherNet/IP Adapter DLL Kit with CIP Security (EIPA-SECURE)
through v5.6.1
- Pyramid Solutions EtherNet/IP Adapter Development Kit (EADK)
through v5.6.1
- Pyramid Solutions EtherNet/IP Adapter Development Kit with CIP Security (EADK-SECURE)
through v5.6.1
- Pyramid Solutions EtherNet/IP Scanner DLL Kit (EIPS)
through v5.6.1
- Pyramid Solutions EtherNet/IP Scanner DLL Kit with CIP Security (EIPS-SECURE)
through v5.6.1
- Pyramid Solutions EtherNet/IP Scanner Development Kit (ESDK)
through v5.6.1
- Pyramid Solutions EtherNet/IP Scanner Development Kit with CIP Security (ESDK-SECURE)
fixed in v5.6.1