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.
History

Wed, 18 Feb 2026 16:00:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:free5gc:free5gc:4.0.1:*:*:*:*:*:*:*

Mon, 16 Feb 2026 12:15:00 +0000

Type Values Removed Values Added
First Time appeared Free5gc
Free5gc free5gc
Vendors & Products Free5gc
Free5gc free5gc

Fri, 13 Feb 2026 21:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-125
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 13 Feb 2026 16:30:00 +0000

Type Values Removed Values Added
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.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2026-02-13T00:00:00.000Z

Updated: 2026-02-13T21:00:54.446Z

Reserved: 2026-01-09T00:00:00.000Z

Link: CVE-2025-70121

cve-icon Vulnrichment

Updated: 2026-02-13T21:00:48.558Z

cve-icon NVD

Status : Analyzed

Published: 2026-02-13T17:16:11.933

Modified: 2026-02-18T15:45:58.910

Link: CVE-2025-70121

cve-icon Redhat

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