WAGO 852-303 before FW06, 852-1305 before FW06, and 852-1505 before FW03 devices contain hardcoded users and passwords that can be used to login via SSH and TELNET.
https://ics-cert.us-cert.gov/advisories/ICSA-19-164-02
https://cert.vde.com/en-us/advisories/vde-2019-013
https://www.wago.com/us/
Source: Mitre, NVD
Published: 2019-06-17
Updated: 2026-06-17
Base Score: 10
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C
Severity: Critical
Base Score: 9.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.00581