Critical · published January 12, 2023
🚨 An unauthorized user can easily guess MQTT ClientID parameters! InHand Networks’ InRouter devices are spinning their wheels with insufficiently random values, leaving the door wide open for nefarious mischief. 🔥 Think of it like a restaurant where the tables are numbered sequentially, but anyone can see the reservation book. If a guest knows the table number, they can look up who’s coming — it’s all too easy to gather personal details without any real effort. An attacker could exploit this vulnerability to gather sensitive information about other InHand devices linked to the same cloud platform. This could lead to unauthorized access and manipulation of those devices, potentially causing serious disruption. We’re talking about a full-on data breach scenario that could compromise your entire network!
Think of it like a restaurant where the tables are numbered sequentially, but anyone can see the reservation book. If a guest knows the table number, they can look up who’s coming — it’s all too easy to gather personal details without any real effort. This vulnerability arises from the use of insufficiently random values in MQTT ClientID parameters of the InRouter 302 and InRouter 615 devices. Without proper randomization, an attacker can predict these ClientIDs, leading to unauthorized information gathering.
An attacker could exploit this vulnerability to gather sensitive information about other InHand devices linked to the same cloud platform. This could lead to unauthorized access and manipulation of those devices, potentially causing serious disruption. We’re talking about a full-on data breach scenario that could compromise your entire network! Immediately upgrade InRouter 302 to IR302 V3.5.56 and InRouter 615 to InRouter6XX-S-V2.3.0.r5542. After updating, review your device configurations and ensure randomization practices are properly implemented in your IoT frameworks. Don’t wait—secure your devices now! You’ve got this! By taking these steps, you can lock down your network and become a security hero! 🛡️