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.
Published: 2026-01-07
Score: 9.2 Critical
EPSS: < 1% Very Low
KEV: No
Impact: Denial of Service
Action: Patch
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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References
History

Thu, 08 Jan 2026 10:00:00 +0000

Type Values Removed Values Added
First Time appeared Efacec
Efacec qc 120
Efacec qc 60
Efacec qc 90
Vendors & Products Efacec
Efacec qc 120
Efacec qc 60
Efacec qc 90

Wed, 07 Jan 2026 16:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 07 Jan 2026 15:45:00 +0000

Type Values Removed Values Added
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.
Title DENIAL OF SERVICE FOR CONCURRENT CONNECTIONS ON TELNET
Weaknesses CWE-400
References
Metrics cvssV4_0

{'score': 9.2, '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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: S21sec

Published:

Updated: 2026-01-07T15:38:39.248Z

Reserved: 2026-01-07T14:01:04.829Z

Link: CVE-2026-22542

cve-icon Vulnrichment

Updated: 2026-01-07T15:38:29.180Z

cve-icon NVD

Status : Deferred

Published: 2026-01-07T16:15:51.740

Modified: 2026-04-15T00:35:42.020

Link: CVE-2026-22542

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-04-18T08:15:15Z

Weaknesses