A command-line utility and protocol implementation that provides remote terminal access to remote hosts over a network, part of the GNU InetUtils package. Telnet allows users to establish a text-based connection to remote systems for management and configuration purposes. The GNU InetUtils version is a free software implementation of the telnet protocol maintained by the GNU Project.

GNU InetUtils Telnet

Debian GNU/Linux is a Linux distribution composed of free and open-source software.

Linux Debian

Gentoo is a highly flexible, source-based Linux distribution.

Linux Gentoo

Echo is a secure, minimal Linux OS built vulnerability-free. It is fully compatible across environments and continuously patched - making it a clean, dependable base layer for modern applications. Echo is used by organizations focused on security and reliability, including those with compliance or FIPS requirements.

Echo

telnetd in GNU Inetutils through 2.7 allows remote authentication bypass via a "-f root" value for the USER environment variable.

CVE-Kennung	Strenge	Punktzahl	Technologieen	Name der Komponente	CISA KEV-Exploit	Hat fix	Veröffentlichungsdatum
CVE-2011-4862	HIGH	10	Kerberos	heimdal	Nein	Ja	Dec 25, 2011
CVE-2026-24061	CRITICAL	9.8	GNU InetUtils Telnet	inetutils	Ja	Ja	Jan 21, 2026
CVE-2023-40303	HIGH	7.8	NixOS	inetutils	Nein	Ja	Aug 14, 2023
CVE-2022-39028	HIGH	7.5	NixOS	inetutils	Nein	Ja	Aug 30, 2022
CVE-2021-40491	MEDIUM	6.5	NixOS	inetutils	Nein	Ja	Sep 03, 2021

CVE-2026-24061:
GNU InetUtils Telnet Schwachstellenanalyse und -minderung

9.8

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CVE-2026-24061: GNU InetUtils Telnet Schwachstellenanalyse und -minderung