by Kastro
Paper/Archive/CVE-2026-44091

CVE-2026-44091

Phoenix Contact CHARX SEC-3150 — Creation of a new configuration by posting a malicious ID to MQTT

EPSS 0.6%CVSS 9.1
critical.is priorityof 100
37
CVSS 9.1 (CNA)9.1 / 10 × 3027.3Not in CISA KEV+300.0EPSS percentile 48.2.482 × 209.6No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

An unauthenticated remote attacker can post a malicious ID to the MQTT Broker results in the creation of a new configuration entry in the system configuration. This may lead to integrity and availability loss.

Affected

ProductAffectedFixed inSource
CHARX SEC-31501.0.0 – < 1.9.11.9.1CNA
CHARX SEC-31001.0.0 – < 1.9.11.9.1CNA
CHARX SEC-30501.0.0 – < 1.9.11.9.1CNA
CHARX SEC-30001.0.0 – < 1.9.11.9.1CNA

Scores by source

CERTVDE (CNA)9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
CERTVDE (CNA)8.8CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: partial

References

refcertvde.com/en/advisories/VDE-2026-008