Maximum-security Cisco vulnerability was patched Oct. 2023 and exploited Feb. 2025.

  • ikt@aussie.zone
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    4 days ago

    The hackers exploited CVE-2023-20198 to retrieve running configuration files from the devices and modified at least one of the files to create a GRE tunnel allowing traffic collection from the network the devices were connected to.

    tbf they’ve been patched for ages and/or you can just turn the http web interface off, it’s 2 lines of config that takes 30 seconds to apply

    We were alerted on the day and had a fix rolled out by end of day on hundreds of routers, this is a bit embarrassing for the canadian telcom tbh