CVE-2025-8801 Open5GS AMF gmm-sm.c gmm_state_exception denial of service
Remote attackers can cause a denial of service in Open5GS AMF by exploiting a flaw in the gmm_state_exception function.
- 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-2025-8801?
CVE-2025-8801 is a medium-severity denial of service vulnerability in Open5gs Open5gs, published on 10 Aug 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability was found in Open5GS up to 2.7.5. This affects the function gmm_state_exception of the file src/amf/gmm-sm.c of the component AMF. The manipulation leads to denial of service. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 2.7.6 is able to address this issue. The identifier of the patch is f47f2bd4f7274295c5fbb19e2f806753d183d09a. It is recommended to upgrade the affected component.
Weakness: CWE-404
Which versions are affected by CVE-2025-8801?
It affects 1 product.
Products include Open5gs Open5gs.
How do I fix CVE-2025-8801?
No fix has been published for CVE-2025-8801 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-2025-8801 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-8801 exists.
Other vulnerabilities in Open5gs Open5gs
Sources
Also known as GHSA-wq4p-mpxw-hmg5.