CVE-2018-8836

Medium

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.

SeverityMedium
CVSS5.3
Exploit probability—
ProductWago 750-880 Firmware
PublishedApr 3, 2018
First seenApr 3, 2018
Weakness typeCWE-404CWE-404

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
wago 750-880_firmwarev ≤ 10—
wago 750-881_firmwarev ≤ 10—
wago 750-852_firmwarev ≤ 10—
wago 750-882_firmwarev ≤ 10—
wago 750-885_firmwarev ≤ 10—
wago 750-831_firmwarev ≤ 10—
wago 750-889_firmwarev ≤ 10—
wago 750-829_firmwarev ≤ 10—

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