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CVE-2026-22542

DENIAL OF SERVICE FOR CONCURRENT CONNECTIONS ON TELNET

CVSS 9.2 CRITICALEPSS 0.4%CWE-400
Vexday Risk Score
28Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 9.2EPSS 0.4%KEV nãoPoC —Nuclei —Metasploit —Patch —
Lifecycle
07 Jan 2026Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
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.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H
Affected products
EFACEC · QC 60/90/120

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References
https://cds.thalesgroup.com/en