Improper Access Control
lg.pl in Cistron-LG 1.01 stores sensitive information under the web root with insufficient access controls, which allows remote attackers to obtain IP addresses and other unspecified router credentials.
CWE-284 - Improper Access Control
Listed 5th in the 'OWASP Top Ten', improper (or broken) access control attacks are a fundamental type of vulnerability. This includes a broad range of design flaws that enable users to act outside of their intended permissions. They can use these privileges to gain access to restricted files and functionality such as accessing restricted information, falsifying records, destroying data, or executing commands.