CVE-2024-39946 Denial of service in NVR4XXX
An authenticated attacker can cause a denial of service on Dahua NVR devices by sending a crafted data packet to a vulnerable interface.
- 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-2024-39946?
CVE-2024-39946 is a medium-severity denial of service vulnerability in Dahua NVR4XXX, published on 31 Jul 2024. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A vulnerability has been found in Dahua products.After obtaining the administrator's username and password, the attacker can send a carefully crafted data packet to the interface with vulnerabilities, causing device initialization.
Which versions are affected by CVE-2024-39946?
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-2024-39946?
No fix has been published for CVE-2024-39946 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-2024-39946 being exploited?
There is no known exploitation of CVE-2024-39946 in the wild and no public exploit code.
Other vulnerabilities in Dahua NVR4XXX
Sources
Also known as GHSA-fvg9-f4xc-69j2.