Level 10
"Multiple botnets are targeting a zero-day vulnerability in fiber routers in an attempt to ensnare them and leverage their power for malicious purposes, security researchers warn.
The security bug impacts Netlink Gigabit Passive Optical Networks (GPON) routers and could be abused for remote command execution. Proof-of-concept (PoC) code targeting the vulnerability has been available online for nearly a month."