{"id":"CVE-2025-63679","aliases":["EUVD-2025-131949","GHSA-7mr7-hhp3-f6qg"],"status":"published","title":"free5gc v4.1.0 and before is vulnerable to Buffer Overflow. When AMF receives an...","description":"free5gc v4.1.0 and before is vulnerable to Buffer Overflow. When AMF receives an UplinkRANConfigurationTransfer NGAP message from a gNB, the AMF process crashes.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.00428,"percentile":0.37523,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120"],"published":"2025-11-12T00:00:00Z","modified":"2026-11-05T14:10:00Z","products":[{"vendor":"free5gc","product":"free5gc"}],"references":[{"url":"https://github.com/free5gc/free5gc/issues/725","tags":["Exploit","Issue Tracking","report"]},{"url":"https://gist.github.com/DDGod2025/5483d94b028d7a0c111ca23844e8a94d","tags":["Exploit","Third Party Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-63679","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-7mr7-hhp3-f6qg"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/63xxx/CVE-2025-63679.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2025-63679","description":"free5gc v4.1.0 and before is vulnerable to Buffer Overflow. When AMF receives an UplinkRANConfigurationTransfer NGAP message from a gNB, the AMF process crashes.","status":"published","published":"2025-11-12T00:00:00Z","modified":"2025-11-13T16:14:02.637Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"adp"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:32:45.503988Z"}],"euvd":[{"id":"EUVD-2025-131949","description":"free5gc v4.1.0 and before is vulnerable to Buffer Overflow. When AMF receives an UplinkRANConfigurationTransfer NGAP message from a gNB, the AMF process crashes.","status":"published","published":"2025-11-12T00:00:00Z","modified":"2025-11-13T16:14:02Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T19:49:17.986196Z"}],"ghsa":[{"id":"GHSA-7mr7-hhp3-f6qg","title":"free5gc v4.1.0 and before is vulnerable to Buffer Overflow. When AMF receives an...","description":"free5gc v4.1.0 and before is vulnerable to Buffer Overflow. When AMF receives an UplinkRANConfigurationTransfer NGAP message from a gNB, the AMF process crashes.","status":"published","published":"2025-11-12T21:31:08Z","modified":"2025-11-13T18:31:03Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T15:04:47.510067Z"}],"nvd":[{"id":"CVE-2025-63679","description":"free5gc v4.1.0 and before is vulnerable to Buffer Overflow. When AMF receives an UplinkRANConfigurationTransfer NGAP message from a gNB, the AMF process crashes.","status":"published","published":"2025-11-12T19:15:37.457Z","modified":"2026-11-05T14:10:00.273Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-120"],"updated_at":"2026-11-05T19:55:51.56159Z"}],"osv":[{"id":"CVE-2025-63679","description":"free5gc v4.1.0 and before is vulnerable to Buffer Overflow. When AMF receives an UplinkRANConfigurationTransfer NGAP message from a gNB, the AMF process crashes.","status":"published","published":"2025-11-12T00:00:00Z","modified":"2026-11-07T02:30:33.831804405Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-07T03:07:58.118356Z"}]}}