CVE-2026-44096: Phoenix Contact Charx Sec-3000

High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days.

A privilege escalation vulnerability in udhcpc allows a local user "charx-web" to execute arbitrary commands as root, resulting in full system compromise.

Affected products

• Phoenix Contact Charx Sec-3000: from 1.0.0, before 1.9.1 (fixed in 1.9.1)
• Phoenix Contact Charx Sec-3050: from 1.0.0, before 1.9.1 (fixed in 1.9.1)
• Phoenix Contact Charx Sec-3100: from 1.0.0, before 1.9.1 (fixed in 1.9.1)
• Phoenix Contact Charx Sec-3150: from 1.0.0, before 1.9.1 (fixed in 1.9.1)

Published 2026-07-30. Last modified 2026-07-31.