CVE-2025-12986 Denial of Service Vulnerability in Silicon Labs WF200 and WGM160P Devices
Attackers can cause denial of service on Silicon Labs WF200/WGM160P devices configured as Access Points via malformed packets.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-12986?
CVE-2025-12986 is a medium-severity denial of service vulnerability in silabs.com Gecko SDK, published on 4 Dec 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
When a WF200/WGM160P device is configured to operate as an Access Point, it may be vulnerable to a denial of service triggered by a malformed packet. The device may recover automatically or require a hard reset.
Weakness: CWE-410
Which versions are affected by CVE-2025-12986?
How do I fix CVE-2025-12986?
No fix has been published for CVE-2025-12986 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-2025-12986 being exploited?
There is no known exploitation of CVE-2025-12986 in the wild and no public exploit code.
Sources
Also known as GHSA-pr8q-v9mh-7jqr.