CVE-2025-6952 Open5GS AMF Service amf-sm.c amf_state_operational assertion
A local attacker can trigger a reachable assertion in the Open5GS AMF service, causing a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-6952?
CVE-2025-6952 is a medium-severity denial of service vulnerability in Open5gs Open5gs, published on 1 Jul 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability, which was classified as problematic, has been found in Open5GS up to 2.7.5. This issue affects the function amf_state_operational of the file src/amf/amf-sm.c of the component AMF Service. The manipulation leads to reachable assertion. It is possible to launch the attack on the local host. The identifier of the patch is 53e9e059ed96b940f7ddcd9a2b68cb512524d5db. It is recommended to apply a patch to fix this issue.
Weakness: CWE-617
Which versions are affected by CVE-2025-6952?
It affects 1 product.
Products include Open5gs Open5gs.
How do I fix CVE-2025-6952?
No fix has been published for CVE-2025-6952 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-2025-6952 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-6952 exists.
Other vulnerabilities in Open5gs Open5gs
Sources
Also known as GHSA-xxvm-gxxx-r9pg.