ByteOS Network

NVD Vulnerability Details :

CVE-2025-70121

Analyzed

Source-cve@mitre.org

Published At-13 Feb, 2026 | 17:16

Updated At-18 Feb, 2026 | 15:45

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.

Date Added	Due Date	Vulnerability Name	Required Action
	N/A

Metrics

Type	Version	Base score	Base severity	Vector
Secondary	3.1	7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Type: Secondary

Version: 3.1

Base score: 7.5

Base severity: HIGH

Vector:

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CPE Matches

free5gc>>free5gc>>4.0.1

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

Weaknesses

CWE ID	Type	Source
CWE-125	Secondary	134c704f-9b21-4f2e-91b3-4a467353bcc0

CWE ID: CWE-125

Type: Secondary

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

References

Hyperlink	Source	Resource
https://github.com/free5gc/free5gc/issues/747	cve@mitre.org	Exploit Issue Tracking Vendor Advisory

Hyperlink: https://github.com/free5gc/free5gc/issues/747

Source: cve@mitre.org

Resource:

Exploit

Issue Tracking

Vendor Advisory

CISA Catalog

Metrics

CPE Matches

Weaknesses

Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References

Change History