An issue was discovered on LG GAMP-7100, GAPM-7200, and GAPM-8000 routers. An unauthenticated user can read a log file via an HTTP request containing its full pathname, such as http://192.168.0.1/var/gapm7100_${today’s_date}.log for reading a filename such as gapm7100_190101.log.
CVE Vulnerability