CVE-2024-7322 Dos in ZigBee device due to unsolicited encrypted rejoin response

Medium 5.8 Published Updated

An attacker can cause a Denial of Service in ZigBee devices by sending unsolicited encrypted rejoin responses, requiring network re-establishment.

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

What is CVE-2024-7322?

CVE-2024-7322 is a medium-severity denial of service vulnerability in silabs.com EmberZNet, published on 15 Jan 2025. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

A ZigBee coordinator, router, or end device may change their node ID when an unsolicited encrypted rejoin response is received, this change in node ID causes Denial of Service (DoS). To recover from this DoS, the network must be re-established

Weakness: CWE-940

Which versions are affected by CVE-2024-7322?

How do I fix CVE-2024-7322?

No fix has been published for CVE-2024-7322 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2024-7322 being exploited?

There is no known exploitation of CVE-2024-7322 in the wild and no public exploit code.

Sources

Also known as GHSA-3fcc-qfqw-wqr5.

Is CVE-2024-7322 in your software?

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