D-Link COVR-2600R and COVR-3902 Kit before 1.01b05Beta01 use hardcoded credentials for telnet connection, which allows unauthenticated attackers to gain privileged access to the router, and to extract sensitive data or modify the configuration.
- http://packetstormsecurity.com/files/159058/COVR-3902-1.01B0-Hardcoded-Credentials.html
- https://cybersecurityworks.com/zerodays/cve-2018-20432-dlink.html
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