8.7High
CVE-2026-35225Improper timeout handling in CODESYS EtherNetIP
Description
An unauthenticated remote attacker is able to exhaust all available TCP connections in the CODESYS EtherNet/IP adapter stack, preventing legitimate clients from establishing new connections.
Weakness (CWE):
CWE-754
Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.
Affected products and versions
| Vendor | Product | Versions | |
|---|---|---|---|
| CODESYS | CODESYS EtherNetIP | 1.0.0.0 – < 4.9.0.0 |