Re: Telnetd Vulnerability Report

[kf503bla () duck com]

telnet is extremely old and just because there is still widespread use of telnet or the daemon, doesn't provide a valid 
reason to keep using it. these trivial vulnerabilities keep popping up and if you still insist of using telnet, you 
deserve getting pwned


On Wednesday, February 25th, 2026 at 3:31 AM, Lyndon Nerenberg (VE7TFX/VE6BBM) <lyndon_at_orthanc.ca_kf503bla () duck 
com> wrote:

> > On Tue, Feb 24, 2026 at 05:05:58AM -0500, kf503bla () duck com wrote:
> > > Who uses telnet anyway? It's deprecated. Everyone uses ssh for any kind of
> > remote access.
>
> TELNET != login.  Before you utter those words again in the same
> sentence, please read the Telnet RFC.  Notice how the term "login"
> appears nowhere in that document.
>
> Telnet is a general purpose way to obtain a remote terminal connection.
> That it is sometimes used for remote logins is simply a byproduct
> of terminals being used to remotely log in to hosts.  But it's far
> from the only thing Telnet is used for.
>
> --lyndon