Is there a patch available for CVE-2026-35225?

Yes, a patch is available for CVE-2026-35225. Update the affected software to the latest version immediately.

Codesys Ethernetip CVE-2026-35225

Q: What is the CVSS score of CVE-2026-35225?

CVE-2026-35225 has a CVSS 4.0 base score of 8.7 (High). 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:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X. EPSS exploitation probability: 0.1%.

EUVD-2026-25222 HIGH

Improper Check for Unusual or Exceptional Conditions (CWE-754)

2026-04-23 CERTVDE

GHSA-c7pv-j8xr-mmhj

Information Disclosure Codesys Ethernetip

8.7

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

8.7 HIGH

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Lifecycle Timeline

Re-analysis Queued

Apr 24, 2026 - 14:52 vuln.today

cvss_changed

Patch released

Apr 24, 2026 - 14:50 nvd

Patch available

Apr 23, 2026 - 16:01 EUVD

EUVD ID Assigned

Apr 23, 2026 - 15:00 euvd

EUVD-2026-25222

Analysis Generated

Apr 23, 2026 - 15:00 vuln.today

CVE Published

Apr 23, 2026 - 13:54 nvd

HIGH 8.7

DescriptionCVE.org

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.

Analysis

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.