CVE-2026-22542

Critical

Description

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.

SeverityCritical
CVSS9.2
Exploit probability—
ProductQC 60/90/120
PublishedJan 7, 2026
First seenJan 7, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
EFACEC QC 60/90/1208—

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