Improper Input Validation in free5GC Product by free5GC
CVE-2025-70123

7.5HIGH

Key Information:

Vendor

free5GC

Status
free5GC
Vendor
CVE Published:
13 February 2026

What is CVE-2025-70123?

An improper input validation vulnerability in free5GC's UPF component allows remote attackers to exploit malformed PFCP Association Setup Requests. This violation of 3GPP TS 29.244 can trigger a series of cascading failures leading to denial of service, affecting service stability and degrading the operational performance of the network components.

References

https://github.com/free5gc/free5gc/issues/745

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.