CVE-2026-22542: Efacec Qc 60/90/120

Critical severity, CVSS 9.2. EPSS: 0.4% chance of exploitation in the next 30 days.

An attacker with access to the system's internal network can cause a denial of service on the system by making two concurrent connections through the Telnet service.

Affected products

• Efacec Qc 60/90/120: version 8 only

Published 2026-01-07. Last modified 2026-06-17.