CVE-2025-4843 D-Link DCS-932L udev SubUPnPCSInit stack-based overflow
Remote attackers can execute arbitrary code via a stack-based buffer overflow in the udev SubUPnPCSInit function of unsupported D-Link cameras.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-4843?
CVE-2025-4843 is a high-severity memory corruption vulnerability in D-Link DCS-932L, published on 17 May 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability was found in D-Link DCS-932L 2.18.01. It has been classified as critical. This affects the function SubUPnPCSInit of the file /sbin/udev. The manipulation of the argument CameraName leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.
Which versions are affected by CVE-2025-4843?
It affects 1 product.
Products include Dlink Dcs-932l Firmware.
How do I fix CVE-2025-4843?
No fix has been published for CVE-2025-4843 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2025-4843 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-4843 exists.
Other vulnerabilities in D-Link DCS-932L
Sources
Also known as GHSA-mhxf-hgvm-m8mj.