Critical · published January 21, 2026
🚨 A single crafted JSON request is all it takes for an attacker to execute arbitrary commands on your system! This is a critical remote code execution vulnerability just waiting to be exploited! 🔥 Think of it like a mischievous prankster who can waltz into a restaurant kitchen by simply shouting a magic phrase — that’s what the /op=command endpoint is doing here, letting attackers place orders for chaos without needing any credentials. An attacker could exploit this vulnerability to run any command they want on the server, potentially giving them full control over the system. This could lead to data theft, system compromise, or even complete service outages — an absolute nightmare scenario!
Think of it like a mischievous prankster who can waltz into a restaurant kitchen by simply shouting a magic phrase — that’s what the /op=command endpoint is doing here, letting attackers place orders for chaos without needing any credentials. CVE-2021-47851 in Mini Mouse 9.2.0 allows unauthenticated attackers to send specially crafted JSON requests to the /op=command endpoint, which processes these requests without proper validation, enabling arbitrary command execution.
An attacker could exploit this vulnerability to run any command they want on the server, potentially giving them full control over the system. This could lead to data theft, system compromise, or even complete service outages — an absolute nightmare scenario! To protect your system, patch Mini Mouse to version 9.2.1 or later immediately. Additionally, consider disabling the vulnerable HTTP endpoint if it's not needed and implement stricter input validation to ensure no malicious commands can be executed. You've got this! Stay vigilant and secure your systems with these steps! 🛡️