CVE-2025-70121

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
Link Resource
https://github.com/free5gc/free5gc/issues/747 Exploit Issue Tracking Vendor Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:free5gc:free5gc:4.0.1:*:*:*:*:*:*:*

History

18 Feb 2026, 15:45

Type Values Removed Values Added
References () https://github.com/free5gc/free5gc/issues/747 - () https://github.com/free5gc/free5gc/issues/747 - Exploit, Issue Tracking, Vendor Advisory
First Time Free5gc free5gc
Free5gc
CPE cpe:2.3:a:free5gc:free5gc:4.0.1:*:*:*:*:*:*:*

13 Feb 2026, 21:16

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown
v2 : unknown
v3 : 7.5
CWE CWE-125

13 Feb 2026, 17:16

Type Values Removed Values Added
New CVE

Information

Published : 2026-02-13 17:16

Updated : 2026-02-18 15:45


NVD link : CVE-2025-70121

Mitre link : CVE-2025-70121

CVE.ORG link : CVE-2025-70121


JSON object : View

Products Affected

free5gc

  • free5gc
CWE
CWE-125

Out-of-bounds Read