CVE-2025-63679

HIGH EPSS 26.8%
Published Nov 12, 20257mo ago · Modified Jun 17, 20262w ago
7.5 CVSS 3.1
High
Find Similar
Published Nov 12, 2025 7mo ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
7.5
Exploitability
3.9
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
26.8% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 1

CWE-120

Affected Products 1

VendorProductVersionRange
free5gcfree5gc* ≤4.1.0

References 2

  • gist.github.com https://gist.github.com/DDGod2025/5483d94b028d7a0c111ca23844e8a94d
    ExploitThird Party Advisory
  • github.com https://github.com/free5gc/free5gc/issues/725
    ExploitIssue Tracking

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.