Improper restriction of communication channel to intended endpoints issue exists in UpdateNavi V1.4 L10 to L33 and UpdateNaviInstallService Service 1.2.0091 to 1.2.0125. If a local authenticated attacker send malicious data, an arbitrary registry value may be modified or arbitrary code may be executed.
The product establishes a communication channel to (or from) an endpoint for privileged or protected operations, but it does not properly ensure that it is communicating with the correct endpoint.