HarborGuard / CVE
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CRITICALCVE-2026-22542Published Modified CNA S21sec

CVE-2026-22542: DENIAL OF SERVICE FOR CONCURRENT CONNECTIONS ON TELNET

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.

Metrics

CVSS v4.0
9.2
Severity
CRITICAL
Fixed in
Affected Products
1
Affected packages
  • EFACEC / QC 60/90/120
    8
CVSS Vector
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