CVE-2026-5661

MEDIUM

Free5GC NGSetupRequest denial of service

Title source: cna

Description

A vulnerability was identified in Free5GC 4.2.0. This affects an unknown function of the component NGSetupRequest Handler. Such manipulation leads to denial of service. The attack may be launched remotely. The exploit is publicly available and might be used.

References (7)

[Vdb Entry] https://vuldb.com/vuln/355485

[Signature, Permissions Required] https://vuldb.com/vuln/355485/cti

[Third Party Advisory] https://vuldb.com/submit/785896

[Issue Tracking] https://github.com/free5gc/free5gc/issues/832

[Patch] https://github.com/free5gc/amf/pull/201

[Exploit] https://github.com/user-attachments/files/25581199/amfcfg.yaml

[Product] https://github.com/free5gc/free5gc/

Scores

CVSS v3 5.3

EPSS 0.0008

EPSS Percentile 22.5%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation poc

Automatable yes

Technical Impact partial

Details

CWE

CWE-404

Status published

Products (1)

None/Free5GC 4.2.0

Published Apr 06, 2026

Tracked Since Apr 06, 2026