this post was submitted on 11 Feb 2026
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110
2026-01-14: The Day the telnet Died (www.labs.greynoise.io)
submitted 1 week ago by Bishma@discuss.tchncs.de to c/technology@lemmy.world
20 comments fedilink hide all child comments
 

On January 14, 2026, global telnet traffic observed by GreyNoise sensors fell off a cliff. A 59% sustained reduction, eighteen ASNs going completely silent, five countries vanishing from our data entirely. Six days later, CVE-2026-24061 dropped. Coincidence is one explanation.

The pattern points toward one or more North American Tier 1 transit providers implementing port 23 filtering

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[–] Pogogunner@sopuli.xyz 18 points 1 week ago (1 children)

The exploitation of this issue is so ridiculously trivial, I'm shocked it took 11 years to discover

[–] Jolteon@lemmy.zip 9 points 1 week ago (1 children)

To be fair, Telnet was already mostly dead in 2015.

[–] kernelle@lemmy.dbzer0.com 5 points 1 week ago

Yeah at least, it died with the rise of encryption