{"id":"CVE-2018-8836","state":"PUBLISHED","title":"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 affe","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.","publishedAt":"2018-04-03T13:00:00.000Z","updatedAt":"2024-09-17T04:13:48.585Z","severity":null,"assigner":"icscert","products":["WAGO WAGO 750 Series"],"affected":[{"vendor":"WAGO","product":"WAGO 750 Series","versions":[{"version":"750-880 firmware version 10 and prior","status":"affected"},{"version":"750-881 firmware version 10 and prior","status":"affected"},{"version":"750-852 firmware version 10 and prior","status":"affected"},{"version":"750-882 firmware version 10 and prior","status":"affected"},{"version":"750-885 firmware version 10 and prior","status":"affected"},{"version":"750-831 firmware version 10 and prior","status":"affected"},{"version":"750-889 firmware version 10 and prior","status":"affected"},{"version":"750-829 firmware version 10 and prior","status":"affected"}]}],"references":["http://www.securityfocus.com/bid/103726","https://ics-cert.us-cert.gov/advisories/ICSA-18-088-01","https://www.wago.com/medias/Vulnerability-in-the-WAGO-Ethernet-TCP-IP-driver.pdf?context=bWFzdGVyfHJvb3R8MjgxNDk0fGFwcGxpY2F0aW9uL3BkZnxoOTcvaDhkLzkxNTAyMjMyMjA3NjYucGRmfGRlNWQ4ODc0NTE5M2UyNTUwNTIyNDRlOWFkNWI2YjNkMzg0YTVhYzlmYTBjNzM4MDdmNmYzOTM5M2ZlMGEzNzE"],"weaknesses":["CWE-404"],"ingestedAt":"2026-10-29T19:45:03.125Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2018/8xxx/CVE-2018-8836.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2018-8836","state":"PUBLISHED","datePublished":"2018-04-03T13:00:00.000Z","dateUpdated":"2024-09-17T04:13:48.585Z","assignerShortName":"icscert","assignerOrgId":"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6","dateReserved":"2018-03-20T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"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. 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