CVE-2025-70121 – Free5GC AMF Array Index Out of Bounds Denial of Service

CVE ID : CVE-2025-70121

Published : Feb. 13, 2026, 5:16 p.m. | 1 hour, 13 minutes ago

Description : An array index out of bounds vulnerability in the AMF component of free5GC v4.0.1 allows remote attackers to cause a denial of service via a crafted 5GS Mobile Identity in a NAS Registration Request message. The issue occurs in the GetSUCI method (NAS_MobileIdentity5GS.go) when accessing index 5 of a 5-element array, leading to a runtime panic and AMF crash.

Severity: 0.0 | NA

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