CVE-2025-7485 Open5GS SCTP Partial Message recv_handler assertion
A local attacker can trigger a reachable assertion in the SCTP handler, causing a denial of service in Open5GS.
- 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-2025-7485?
CVE-2025-7485 is a medium-severity denial of service vulnerability in Open5gs Open5gs, published on 12 Jul 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability classified as problematic was found in Open5GS up to 2.7.3. Affected by this vulnerability is the function ngap_recv_handler/s1ap_recv_handler/recv_handler of the component SCTP Partial Message Handler. The manipulation leads to reachable assertion. The attack needs to be approached locally. The patch is named cfa44575020f3fb045fd971358442053c8684d3d. It is recommended to apply a patch to fix this issue.
Weakness: CWE-617
Which versions are affected by CVE-2025-7485?
It affects 1 product.
Products include Open5gs Open5gs.
How do I fix CVE-2025-7485?
No fix has been published for CVE-2025-7485 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-2025-7485 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-7485 exists.
Other vulnerabilities in Open5gs Open5gs
Sources
Also known as GHSA-g39r-297w-vh94.