HIGHCVE-2026-35225Published Modified CNA CERTVDE
CVE-2026-35225: Improper timeout handling in CODESYS EtherNetIP
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.
Metrics
- CVSS v4.0
- 8.7
- Severity
- HIGH
- Fixed in
- 4.9.0.0
- Affected Products
- 1
Fix available
4.9.0.0
Affected packages
- CODESYS / CODESYS EtherNetIP< 4.9.0.0 (from 1.0.0.0)
CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:NReferences