CVE-2026-35225
8.7
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| CODESYS | CODESYS EtherNetIP | 1.0.0.0 < 4.9.0.0 | affected |
Weaknesses
- CWE-754: CWE-754 Improper Check for Unusual or Exceptional Conditions
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: yes
- Technical Impact: partial
References
- https://codesys.csaf-tp.certvde.com/.well-known/csaf/white/2026/advisory2026-04_vde-2026-040.json
- https://www.certvde.com/en/advisories/VDE-2026-040/
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