CVE-2026-2525 Free5GC PFCP UDP Endpoint denial of service

A vulnerability has been found in Free5GC up to 4.1.0. This affects an unknown function of the component PFCP UDP Endpoint. Such manipulation leads to denial of service. The attack can be launched remotely. The exploit has been disclosed to the public and may be used...

CVE-2026-2525

CVE-2026-2525 affects Free5GC up to release 4.1.0. The issue is in an unknown function of the PFCP UDP Endpoint component, where manipulation leads to a remote denial of service. Public disclosure of the exploit is noted, with exploitation maturity described as a Proof-of-Concept in some sources....

free5GC 安全漏洞

Free5GC is an open-source project for the 5th generation 5G mobile core network. Versions of Free5GC prior to 4.1.0 contain security vulnerabilities, which stem from incorrect handling of the PFCP UDP Endpoint component. These vulnerabilities could lead to denial-of-service attacks...

PT-2026-8297

A vulnerability has been found in Free5GC up to 4.1.0. This affects an unknown function of the component PFCP UDP Endpoint. Such manipulation leads to denial of service. The attack can be launched remotely. The exploit has been disclosed to the public and may be used...

CVE-2025-70123

An improper input validation and protocol compliance vulnerability in free5GC v4.0.1 allows remote attackers to cause a denial of service. The UPF incorrectly accepts a malformed PFCP Association Setup Request, violating 3GPP TS 29.244. This places the UPF in an inconsistent state where a...

CVE-2025-70121

An array index out of bounds vulnerability in the AMF component of free5GC v4.0.1 allows remote attackers to cause a denial of service via a crafted 5GS Mobile Identity in a NAS Registration Request message. The issue occurs in the GetSUCI method NASMobileIdentity5GS.go when accessing index 5 of ...

CVE-2025-70123

An improper input validation and protocol compliance vulnerability in free5GC v4.0.1 allows remote attackers to cause a denial of service. The UPF incorrectly accepts a malformed PFCP Association Setup Request, violating 3GPP TS 29.244. This places the UPF in an inconsistent state where a...

CVE-2025-70122

A heap buffer overflow vulnerability in the UPF component of free5GC v4.0.1 allows remote attackers to cause a denial of service via a crafted PFCP Session Modification Request. The issue occurs in the SDFFilterFields.UnmarshalBinary function sdf-filter.go when processing a declared length that...

CVE-2025-70121

An array index out of bounds vulnerability in the AMF component of free5GC v4.0.1 allows remote attackers to cause a denial of service via a crafted 5GS Mobile Identity in a NAS Registration Request message. The issue occurs in the GetSUCI method NASMobileIdentity5GS.go when accessing index 5 of ...

CVE-2025-70122

A heap buffer overflow vulnerability in the UPF component of free5GC v4.0.1 allows remote attackers to cause a denial of service via a crafted PFCP Session Modification Request. The issue occurs in the SDFFilterFields.UnmarshalBinary function sdf-filter.go when processing a declared length that...

free5GC 安全漏洞

free5GC is an open-source project for the 5th generation 5G mobile core network. Version 4.0.1 of free5GC contains a security vulnerability, which stems from improper input validation and protocol compliance. This vulnerability could allow remote attackers to cause denial-of-service attacks...

CVE-2025-70123

An improper input validation and protocol compliance vulnerability in free5GC v4.0.1 allows remote attackers to cause a denial of service. The UPF incorrectly accepts a malformed PFCP Association Setup Request, violating 3GPP TS 29.244. This places the UPF in an inconsistent state where a...

CVE-2025-70121

An array index out of bounds vulnerability in the AMF component of free5GC v4.0.1 allows remote attackers to cause a denial of service via a crafted 5GS Mobile Identity in a NAS Registration Request message. The issue occurs in the GetSUCI method NASMobileIdentity5GS.go when accessing index 5 of ...

CVE-2025-70122

A heap buffer overflow vulnerability in the UPF component of free5GC v4.0.1 allows remote attackers to cause a denial of service via a crafted PFCP Session Modification Request. The issue occurs in the SDFFilterFields.UnmarshalBinary function sdf-filter.go when processing a declared length that...

CVE-2025-70122

CVE-2025-70122 affects free5GC v4.0.1 UPF. The root cause is a heap buffer overflow in SDFFilterFields.UnmarshalBinary (sdf-filter.go) triggered when a declared length exceeds the actual buffer capacity, causing a runtime panic and UPF crash. Documents indicate remote exploitation over the networ...

CVE-2025-70121

The CVE-2025-70121 issue affects free5GC v4.0.1 AMF component, where GetSUCI in NAS_MobileIdentity5GS.go accesses index 5 of a 5-element array, causing an array index out-of-bounds and a runtime panic that crashes the AMF, enabling remote denial-of-service via a crafted 5GS Mobile Identity in a N...

PT-2026-8007

Name of the Vulnerable Software and Affected Versions free5GC version 4.0.1 Description A heap buffer overflow exists in the UPF component of free5GC version 4.0.1. This flaw allows remote attackers to potentially cause a denial of service by sending a specially crafted PFCP Session Modification...

free5GC 安全漏洞

free5GC is an open-source project for the 5th generation 5G mobile core network. Version 4.0.1 of free5GC contains a security vulnerability caused by an array index out-of-bounds issue in the AMF component. This vulnerability could allow remote attackers to cause denial-of-service attacks using a...

CVE-2025-70123

Summary of CVE-2025-70123 : In free5GC v4.0.1, the UPF fails to validate a malformed PFCP Association Setup Request, violating 3GPP TS 29.244. This leads to an inconsistent UPF state, and a subsequent valid PFCP Session Establishment Request can trigger a cascading failure that disrupts the SMF c...

CVE-2025-70123

An improper input validation and protocol compliance vulnerability in free5GC v4.0.1 allows remote attackers to cause a denial of service. The UPF incorrectly accepts a malformed PFCP Association Setup Request, violating 3GPP TS 29.244. This places the UPF in an inconsistent state where a...