{"id":"CVE-2025-25774","details":"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).","modified":"2026-08-12T15:13:44.403221Z","published":"2025-03-12T00:00:00Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/25xxx/CVE-2025-25774.json","cna_assigner":"mitre"},"references":[{"type":"WEB","url":"https://github.com/guoweifk/BugReport/blob/main/Open5GS%20AMF%20Denial%20of%20Service%20via%20GMM%20State%20Handling%20in%20Handover"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/25xxx/CVE-2025-25774.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-25774"},{"type":"REPORT","url":"https://github.com/open5gs/open5gs/issues/3671"},{"type":"FIX","url":"https://github.com/open5gs/open5gs/commit/2e68706f1eea029d5172ccad946e78b352c031d0"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/open5gs/open5gs","events":[{"introduced":"43fa4857cce8af6b6ec3c8e3b0cbf99444948f76"},{"fixed":"2e68706f1eea029d5172ccad946e78b352c031d0"}],"database_specific":{"cpe":"cpe:2.3:a:open5gs:open5gs:2.7.2:*:*:*:*:*:*:*","extracted_events":[{"introduced":"2.7.2"},{"last_affected":"2.7.2"}],"source":["CPE_STRING","REFERENCES"]}}],"versions":["2.7.2","v2.7.2"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-25774.json","vanir_signatures_modified":"2026-08-12T15:13:44Z","vanir_signatures":[{"target":{"file":"src/amf/gmm-sm.c","function":"gmm_state_authentication"},"deprecated":false,"digest":{"function_hash":"332296757950995641969293499122545545559","length":7410},"id":"CVE-2025-25774-a5c4bc16","signature_type":"Function","signature_version":"v1","source":"https://github.com/open5gs/open5gs/commit/2e68706f1eea029d5172ccad946e78b352c031d0"}]}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}