Vulnerability in Open5gs
CVE-2025-25774
An issue was discovered in Open5GS v2.7.2. When a UE switches between two gNBs and sends a handover request at a specific time, it may cause an exception in the AMF's internal state machine, leading to an AMF crash and resulting in a Denial of Service (DoS).
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.004 (33.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 33.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000
Affected products
- Open5gs — versions 2.7.2
Weakness classification (CWE)
References
- github.com/open5gs/open5gs/issues/3671 (Exploit, Issue Tracking, Vendor Advisory)
- github.com/open5gs/open5gs/commit/2e68706f1eea029d5172ccad946e78b352c031d0 (Patch)
- github.com/guoweifk/BugReport/blob/main/Open5GS AMF Denial of Service via GMM S… (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2025-25774?
- CVE-2025-25774 is a medium-severity vulnerability in Open5gs, classified under CWE-691. CVSS score: 6.5/10. Published 2025-03-12.
- How severe is CVE-2025-25774?
- Medium severity. CVSS v3 base score is 6.5 out of 10.