A Local File Inclusion (LFI) issue on Onkyo TX-NR585 1000-0000-000-0008-0000 devices allows remote unauthenticated users on the network to read sensitive files via %2e%2e%2f directory traversal, as demonstrated by reading /etc/shadow.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12447
Reference (s):
- https://blog.spookysec.net/onkyo-lfi/