Resource exhaustion in Open5gs
CVE-2025-52288
Assertion failure in function ngap_build_downlink_nas_transport in file src/amf/ngap-build.c, the Access and Mobility Management Function (AMF) component, in Open5GS thru 2.7.5 allowing attackers to cause a denial of service or other unspecified impacts via repeated UE connect and disconnect message sequences.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.005 (39.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 39.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/open5gs/open5gs/issues/3862 (Exploit, Issue Tracking)
- github.com/open5gs/open5gs/issues/3862 (Issue Tracking)
- github.com/open5gs/open5gs/issues/3862 (Exploit, Issue Tracking)
- github.com/matejGradisar/open5gs/commit/5467da9763c300520f56bfbe0a7f5a7f980ec2f6 (Patch)
- github.com/ZHENGHAOHELLO/BugReport/blob/main/CVE-2025-52288 (Third Party Advisory)
Frequently asked questions
- What is CVE-2025-52288?
- CVE-2025-52288 is a high-severity vulnerability in Open5gs, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2025-09-08.
- How severe is CVE-2025-52288?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2025-52288 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.