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Posts in category: Telnetd

A 32-Year-Old Bug Walks Into A Telnet Server (GNU inetutils Telnetd CVE-2026-32746 Pre-Auth RCE)

A 32-Year-Old Bug Walks Into A Telnet Server (GNU inetutils Telnetd CVE-2026-32746 Pre-Auth RCE)

March 20, 2026
by oxfemale attaksexploitationLinuxRCEReverse EngineeringTelnetd

The article analyzes CVE-2026-32746, a decades-old vulnerability in GNU Inetutils telnetd where a malformed LINEMODE SLC option triggers an out-of-bounds write, enabling unauthenticated remote exploitation.

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