CVE-2024-39944 Denial of service in IPC-HX8XXX and NVR4XXX

High 7.5 Published Updated

Attackers can crash Dahua IPC and NVR devices by sending crafted data packets, causing a denial of service.

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-2024-39944?

CVE-2024-39944 is a high-severity denial of service vulnerability in Dahua IPC-HX8XXX and NVR4XXX, published on 31 Jul 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A vulnerability has been found in Dahua products.Attackers can send carefully crafted data packets to the interface with vulnerabilities, causing the device to crash.

Weakness: CWE-20, CWE-770

Which versions are affected by CVE-2024-39944?

It affects 58 products.

Products include Dahuasecurity Ipc-Hfs8449g-Z7-Led Firmware, Dahuasecurity Ipc-Hfs8849g-Z3-Led Firmware, Dahuasecurity Nvr4104-4ks2\/L Firmware, Dahuasecurity Nvr4104-4ks3 Firmware, Dahuasecurity Nvr4104-P-4ks2\/L Firmware, Dahuasecurity Nvr4104-P-4ks3\(960g\) Firmware and 52 more.

How do I fix CVE-2024-39944?

No fix has been published for CVE-2024-39944 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-2024-39944 being exploited?

There is no known exploitation of CVE-2024-39944 in the wild and no public exploit code.

Sources

Also known as GHSA-9vf3-7mcj-9xqp.

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