CVE-2025-8802 Open5GS SMF smf-sm.c smf_state_operational denial of service
Remote attackers can cause a denial of service in Open5GS SMF by manipulating the stream argument in smf_state_operational.
- 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-2025-8802?
CVE-2025-8802 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 determined in Open5GS up to 2.7.5. This vulnerability affects the function smf_state_operational of the file src/smf/smf-sm.c of the component SMF. The manipulation of the argument stream leads to denial of service. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. Upgrading to version v2.7.6 is able to address this issue. The patch is identified as f168f7586a4fa536cee95ae60ac437d997f15b97. It is recommended to upgrade the affected component.
Weakness: CWE-404
Which versions are affected by CVE-2025-8802?
It affects 1 product.
Products include Open5gs Open5gs.
How do I fix CVE-2025-8802?
No fix has been published for CVE-2025-8802 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-2025-8802 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-8802 exists.
Other vulnerabilities in Open5gs Open5gs
Sources
Also known as GHSA-4pwr-crv6-7pr9.