Cablehaunt vulnerability in Sonic modems?

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by jeremy » Thu Jan 09, 2020 12:51 pm
I recently heard about a vulnerability in cable modems called Cablehaunt (

Would this affect Sonic modems?

If so, what are remediation plans?


by sysops » Fri Jan 10, 2020 4:39 pm
Cool vulnerability! Requires local network access to begin exploitation though (but this can sorta be accomplished through malicious Javascript on any website).

Sonic is not affected. From the Cablehaunt FAQ...

Q: Am I Affected?

A: Start by determining if you get internet through a cable modem, since only cable modems are affected...
Proud Sonic customer since 1999. Ask me about internet privacy, VPN, anonymity and security.
by dane » Fri Jan 10, 2020 5:35 pm
Bingo. It’s an exploit of the spectrum analyzer software that is embedded in the cable modem, which I presume is for coax diagnostics.
Dane Jasper
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