An issue was discovered in Dual DHCP DNS Server 7.40. Due to insufficient access restrictions in the default installation directory, an attacker can elevate privileges by replacing the DualServer.exe binary.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26133
Reference (s):
- https://github.com/an0ry/advisories
- https://sourceforge.net/projects/dhcp-dns-server/