VulnerabilityAnalyzed
CVE-2025-63679
free5gc v4.1.0 and before is vulnerable to Buffer Overflow.
HIGH 7.5EPSS 0.40%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.40%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.40% probability · 34th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-120
- Affected
- free5gc/free5gc
- Source
- cve@mitre.org
References
- https://gist.github.com/DDGod2025/5483d94b028d7a0c111ca23844e8a94dExploit, Third Party Advisory
- https://github.com/free5gc/free5gc/issues/725Exploit, Issue Tracking
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.