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.
References (2)
Core 2
Core References
Exploit, Third Party Advisory
https://gist.github.com/DDGod2025/5483d94b028d7a0c111ca23844e8a94d
Exploit, Issue Tracking
https://github.com/free5gc/free5gc/issues/725
Scores
CVSS v3
7.5
EPSS
0.0008
EPSS Percentile
24.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
total
Details
CWE
CWE-120
Status
published
Products (1)
free5gc/free5gc
< 4.1.0
Published
Nov 12, 2025
Tracked Since
Feb 18, 2026