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

Vendor	Product	Versions
WAGO	WAGO 750 Series	750-880 firmware version 10 and prior; 750-881 firmware version 10 and prior; 750-852 firmware version 10 and prior; 750-882 firmware version 10 and prior; 750-885 firmware version 10 and prior; 750-831 firmware version 10 and prior; 750-889 firmware version 10 and prior; 750-829 firmware version 10 and prior

References

http://www.securityfocus.com/bid/103726Third Party Advisory, VDB Entry
https://ics-cert.us-cert.gov/advisories/ICSA-18-088-01Third Party Advisory, US Government Resource
https://www.wago.com/medias/Vulnerability-in-the-WAGO-Ethernet-TCP-IP-driver.pdf?context=bWFzdGVyfHJvb3R8MjgxNDk0fGFwcGxpY2F0aW9uL3BkZnxoOTcvaDhkLzkxNTAyMjMyMjA3NjYucGRmfGRlNWQ4ODc0NTE5M2UyNTUwNTIyNDRlOWFkNWI2YjNkMzg0YTVhYzlmYTBjNzM4MDdmNmYzOTM5M2ZlMGEzNzEVendor Advisory
http://www.securityfocus.com/bid/103726Third Party Advisory, VDB Entry
https://ics-cert.us-cert.gov/advisories/ICSA-18-088-01Third Party Advisory, US Government Resource
https://www.wago.com/medias/Vulnerability-in-the-WAGO-Ethernet-TCP-IP-driver.pdf?context=bWFzdGVyfHJvb3R8MjgxNDk0fGFwcGxpY2F0aW9uL3BkZnxoOTcvaDhkLzkxNTAyMjMyMjA3NjYucGRmfGRlNWQ4ODc0NTE5M2UyNTUwNTIyNDRlOWFkNWI2YjNkMzg0YTVhYzlmYTBjNzM4MDdmNmYzOTM5M2ZlMGEzNzEVendor Advisory

Timeline

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

Related CVEs from 2018

CVE-2018-88377.8Processing specially crafted .pm3 files in Advantech WebAccess HMI Designer 2.1.7.32 and prior may cause the system to write outside the int CVE-2018-88386.5A weakness in access controls in CENTUM CS 1000 all versions, CENTUM CS 3000 versions R3.09.50 and earlier, CENTUM CS 3000 Small versions R3 CVE-2018-88397.8Delta PMSoft versions 2.10 and prior have multiple stack-based buffer overflow vulnerabilities where a .ppm file can introduce a value large CVE-2018-88409.8A remote attacker could send a carefully crafted packet in InduSoft Web Studio v8.1 and prior versions, and/or InTouch Machine Edition 2017 CVE-2018-88417.8In Advantech WebAccess versions V8.2_20170817 and prior, WebAccess versions V8.3.0 and prior, WebAccess Dashboard versions V.2.0.15 and prio CVE-2018-88428.8Philips e-Alert Unit (non-medical device), Version R2.1 and prior. The software transmits sensitive or security-critical data in cleartext i CVE-2018-88435.5Rockwell Automation Arena versions 15.10.00 and prior contains a use after free vulnerability caused by processing specially crafted Arena S CVE-2018-88448.8Philips e-Alert Unit (non-medical device), Version R2.1 and prior. The web application does not, or cannot, sufficiently verify whether a we CVE-2018-88459.8In Advantech WebAccess versions V8.2_20170817 and prior, WebAccess versions V8.3.0 and prior, WebAccess Dashboard versions V.2.0.15 and prio CVE-2018-88466.1Philips e-Alert Unit (non-medical device), Version R2.1 and prior. The software does not neutralize or incorrectly neutralizes user-controll CVE-2018-88479.8Eaton 9000X DriveA versions 2.0.29 and prior has a stack-based buffer overflow vulnerability, which may allow remote code execution.CVE-2018-88487.5Philips e-Alert Unit (non-medical device), Version R2.1 and prior. The software, upon installation, sets incorrect permissions for an object