CVE-2025-5935 Open5GS AMF/MME emm-sm.c common_register_state denial of service

Medium 6.9 Published Updated

Remote attackers can cause a denial of service in Open5GS AMF/MME by manipulating the ran_ue_id argument in the common_register_state 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-2025-5935?

CVE-2025-5935 is a medium-severity denial of service vulnerability in Open5gs Open5gs, published on 10 Jun 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 2.7.3. It has been declared as problematic. Affected by this vulnerability is the function common_register_state of the file src/mme/emm-sm.c of the component AMF/MME. The manipulation of the argument ran_ue_id leads to denial of service. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of the patch is 62cb99755243c9c38e4c060c5d8d0e158fe8cdd5. It is recommended to apply a patch to fix this issue.

Weakness: CWE-404

Which versions are affected by CVE-2025-5935?

It affects 1 product.

Products include Open5gs Open5gs.

How do I fix CVE-2025-5935?

No fix has been published for CVE-2025-5935 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-2025-5935 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-5935 exists.

All Open5gs Open5gs vulnerabilities

Sources

Also known as GHSA-3x7c-c6rj-mhq6.

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