CVE-2024-34026 is a critical stack-based buffer overflow vulnerability affecting OpenPLC Runtime v3 firmware, specifically its EtherNet/IP parser. An unauthenticated attacker can exploit this remotely by sending specially crafted EtherNet/IP requests, leading to complete compromise of the system through remote code execution. With a CVSS score of 9.8 (Critical), this vulnerability poses a significant risk due to its network-based attack vector and low attack complexity. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered some community discussion and media coverage, indicating awareness within the cybersecurity community.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
2024-04-04CPE matchmatch criteria | cpe:2.3:o:openplcproject:openplc_v3_firmware:2024-04-04:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.