CVE-2018-8836

MediumCVSS 5.3/10Last modified Jun 17, 2026

Description

Wago 750 Series PLCs with firmware version 10 and prior include a remote attack may take advantage of an improper implementation of the 3 way handshake during a TCP connection affecting the communications with commission and service tools. Specially crafted packets may also be sent to Port 2455/TCP/IP, used in Codesys management software, which may result in a denial-of-service condition of communications with commissioning and service tools.

Metrics

CVSS 3.0 5.3/10CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Weakness enumeration

CWE-404

Affected software

No affected versions have been published.

Timeline

Published: Apr 3, 2018
Last modified: Jun 17, 2026
NVD status: Modified

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