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).
{
"cna_assigner": "mitre",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/25xxx/CVE-2025-25774.json"
}{
"extracted_events": [
{
"cpe": "cpe:2.3:a:open5gs:open5gs:2.7.2:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.7.2"
},
{
"last_affected": "2.7.2"
}
],
"source": "CPE_STRING"
},
{
"range": [
{
"fixed": "2e68706f1eea029d5172ccad946e78b352c031d0"
}
],
"source": "REFERENCES_COMMIT"
}
]
}
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-25774.json"
[
{
"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",
"target": {
"file": "src/amf/gmm-sm.c",
"function": "gmm_state_authentication"
}
}
]
"2026-10-28T10:40:32Z"