What’s Vulnerable › Vulnerabilities

CVE-2024-34026

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2024-09-18 · updated 2026-06-17
• Weakness: CWE-121

Description

A stack-based buffer overflow vulnerability exists in the OpenPLC Runtime EtherNet/IP parser functionality of OpenPLC _v3 b4702061dc14d1024856f71b4543298d77007b88. A specially crafted EtherNet/IP request can lead to remote code execution. An attacker can send a series of EtherNet/IP requests to trigger this vulnerability.

Affected products

• OpenPLC_v3: 2024-04-04

References

• https://talosintelligence.com/vulnerability_reports/TALOS-2024-2005
• https://www.talosintelligence.com/vulnerability_reports/TALOS-2024-2005

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