Arbitrary file upload in Phoenix Contact Charx Sec-3000

CVE-2026-44097

A low-privileged remote attacker with "operator" access can upload arbitrary files via the REST endpoint intended for firmware updates, resulting in persistent storage of attacker-controlled files and potentially exhausting resources, whic…

Vulnerability class: Unrestricted File Upload

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-44097?
CVE-2026-44097 is a high-severity vulnerability in Phoenix Contact Charx Sec-3000, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 7.1/10. Published 2026-07-30.
How severe is CVE-2026-44097?
High severity. CVSS v3 base score is 7.1 out of 10.