Part 7/11:
An exaggerated but illustrative example describes how a seemingly innocent program that echoes a user’s name could be exploited through command injection. If an attacker inserts malicious commands into input fields, they can execute arbitrary system commands without needing detailed knowledge of system memory layouts, unlike buffer overflow exploits.
This ease of exploitation underscores how vulnerable many routers remain, especially when default or enabled features—like remote management—are left open to the internet. Many SOHO routers are shipped with management interfaces accessible externally, creating a backdoor for hackers.