CVE-2024-39949 Denial of service in NVR4XXX
Attackers can crash Dahua NVR devices by sending crafted data packets to a vulnerable interface, causing service disruption.
- 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-2024-39949?
CVE-2024-39949 is a high-severity denial of service vulnerability in Dahua 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.
Which versions are affected by CVE-2024-39949?
It affects 56 products.
Products include Dahuasecurity Nvr4104-4ks2\/L Firmware, Dahuasecurity Nvr4104-4ks3 Firmware, Dahuasecurity Nvr4104-P-4ks2\/L Firmware, Dahuasecurity Nvr4104-P-4ks3\(960g\) Firmware, Dahuasecurity Nvr4104-P-4ks3 Firmware, Dahuasecurity Nvr4104hs-4ks2\/L Firmware and 50 more.
How do I fix CVE-2024-39949?
No fix has been published for CVE-2024-39949 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-2024-39949 being exploited?
There is no known exploitation of CVE-2024-39949 in the wild and no public exploit code.
Other vulnerabilities in Dahua NVR4XXX
Sources
Also known as GHSA-vx79-rj6m-r29g.