CVE-2026-22542

CRITICAL

System <unknown> - DoS

Title source: llm
STIX 2.1

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.

Scores

CVSS v4 9.2
EPSS 0.0002
EPSS Percentile 5.6%
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

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-400
Status published
Products (1)
EFACEC/QC 60/90/120 8
Published Jan 07, 2026
Tracked Since Feb 18, 2026