Vulnerability in Phoenix Contact Charx Sec-3000

CVE-2026-44092

An unauthenticated remote attacker can inject malicious input into the ModbusServer application because it does not validate the input it fetches from MQTT. This may lead to integrity and availability loss.

Vulnerability class: CRLF Injection

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-44092?
CVE-2026-44092 is a critical-severity vulnerability in Phoenix Contact Charx Sec-3000, classified under CRLF Injection. CVSS score: 9.1/10. Published 2026-07-30.
How severe is CVE-2026-44092?
Critical severity. CVSS v3 base score is 9.1 out of 10.