Logitech Unifying devices allow keystroke injection, bypassing encryption. The attacker must press a "magic" key combination while sniffing cryptographic data from a Radio Frequency transmission. NOTE: this issue exists because of an incomplete fix for CVE-2016-10761.
Certain Logitech Unifying devices allow attackers to dump AES keys and addresses, leading to the capability of live decryption of Radio Frequency transmissions, as demonstrated by an attack against a Logitech K360 keyboard.