CVE-2025-63679 | free5gc v4.1.0 and before is vulnerable to Buffer Overflow. … | CVSS 9.8 CRITICAL

Description

free5gc v4.1.0 and before is vulnerable to Buffer Overflow. When AMF receives an UplinkRANConfigurationTransfer NGAP message from a gNB, the AMF process crashes.

Metadata

CVE ID: CVE-2025-63679
State: PUBLISHED
Assigner: mitre
Reserved: 2025-10-27 00:00 UTC
Published: 2025-11-12 00:00 UTC
Last updated: 2025-11-13 16:14 UTC
Primary CWE: CWE-120
CWE-120 Buffer Copy without Checking Size of Input ('Classic…
Vendor / Product: n/a / n/a
Sources: cve.org · NVD

Severity & Metrics

9.8 CRITICAL CVSS 3.1

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

SSVC — CISA Coordinator

Exploitation: PoC
Automatable: yes
Tech. Impact: total

Affected products (1)

Vendor	Product	Platform	Versions
n/a	n/a	—	n/a

Weakness (CWE)

CWE	Source	Description
—	cna	n/a
CWE-120	adp	CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

CVSS scores (1)

Score	Severity	Version	Source	Vector
9.8	CRITICAL	3.1	adp	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References (2)