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Here is the reality check. You are told that modern software forces password creation at install. That default credentials are a thing of the past. That no competent admin leaves anonymous access enabled. I have been doing this for twelve years. I still find admin:admin on internal web panels. I still find FTP servers with anonymous write access. I still find SMB shares with Everyone:Full Control. Every single engagement.
The myth is that misconfiguration is rare. The reality is that misconfiguration is the default state of most internal infrastructure. Admins deploy a service, get it working, and move on to the next fire. Hardening is a task for "later." Later never comes. Your job is to find the gap between what the policy document says and what the server actually does.
That [NSE: writeable] tag on the incoming directory means anonymous users can UPLOAD files. This is not just information disclosure. This is potential remote code execution if you can upload a web shell to a directory served by a web application. Always check write permissions on anonymous shares.
The OWASP Top 10 lists Security Misconfiguration as a persistent category. Unnecessary features enabled. Default accounts unchanged. Error handling revealing stack traces. Debugging left on in production. These are not exotic vulnerabilities. They are administrative laziness. And they are everywhere.
When you find a service banner, your next move should always be the same. Search for default credentials for that exact product and version. The DefaultCreds-Cheat-Sheet on GitHub is a good start. Then try the weak combinations: admin:admin, admin:password, root:12345678, administrator:Password. If those fail, move to anonymous access checks. If those fail, then and only then do you move to brute force.
Misconfigured access rights are the gift that keeps on giving. A user whose role is to upload reports gets read access to every folder on the share. A service account with more privileges than it needs. A share accessible to Authenticated Users when it should be restricted to a specific group. These are not vulnerabilities in the traditional sense. No CVE. No patch. Just a permissions matrix that nobody reviewed. And they are the easiest findings on any engagement.
Finish the lesson once you have worked through the material. This awards ★ 30 XP.