CVE-2023-22600 Missing authorization in InRouter 302

Critical 10.0 Published 12 Jan 2023 Updated 16 Jan 2025

Unauthenticated users on the local network can subscribe to MQTT topics to send configuration commands, reboot devices, or push firmware updates.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-22600?

CVE-2023-22600 is a critical missing authorization vulnerability in InHand Networks InRouter 302, published on 12 Jan 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

InHand Networks InRouter 302, prior to version IR302 V3.5.56, and InRouter 615, prior to version InRouter6XX-S-V2.3.0.r5542, contain vulnerability CWE-284: Improper Access Control. They allow unauthenticated devices to subscribe to MQTT topics on the same network as the device manager. An unauthorized user who knows of an existing topic name could send and receive messages to and from that topic. This includes the ability to send GET/SET configuration commands, reboot commands, and push firmware updates.

Weakness: CWE-284

Which versions are affected by CVE-2023-22600?

It affects 2 products.

Products include Inhandnetworks Inrouter302 Firmware, Inhandnetworks Inrouter615-S Firmware.

How do I fix CVE-2023-22600?

No fix has been published for CVE-2023-22600 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2023-22600 being exploited?

There is no known exploitation of CVE-2023-22600 in the wild and no public exploit code.

Sources

Also known as GHSA-p6gg-9438-r6rj.