Cleartext protocol usually in port 23
Connecting to Telnet
You can connect to a telnet server with the following syntax:
“telnet [ip] [port]”
**Types of Telnet Exploit
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Telnet, being a protocol, is in and of itself insecure for the reasons we talked about earlier. It lacks encryption, so sends all communication over plaintext, and for the most part has poor access control. There are CVE’s for Telnet client and server systems, however, so when exploiting you can check for those on:
A CVE, short for Common Vulnerabilities and Exposures, is a list of publicly disclosed computer security flaws. When someone refers to a CVE, they usually mean the CVE ID number assigned to a security flaw.