All Phoenix Contact managed FL SWITCH 3xxx, 4xxx, 48xx products running firmware version 1.0 to 1.33 are prone to buffer overflows (a different vulnerability than CVE-2018-10731).
https://ics-cert.us-cert.gov/advisories/ICSA-18-137-02
https://cert.vde.com/de-de/advisories/vde-2018-006
http://www.securityfocus.com/bid/104231
Source: Mitre, NVD
Published: 2018-05-17
Updated: 2026-06-17
Base Score: 6.8
Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P
Severity: Medium
Base Score: 8.1
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: High
EPSS: 0.02119