FBI Warns FSB-Linked Hackers Exploiting Unpatched Cisco Devices for Cyber Espionage

A Russian state-sponsored cyber espionage group known as Static Tundra has been observed actively exploiting a seven-year-old security flaw in Cisco IOS and Cisco IOS XE software as a means to establish persistent access to target networks.
Cisco Talos, which disclosed details of the activity, said the attacks single out organizations in telecommunications, higher education and manufacturing