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CVE-2025-69232— free5GC hasProtocol Compliance Violation in UPF Leading to SMF Service Disruption

EPSS 0.25% · P49
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I. Basic Information for CVE-2025-69232

Vulnerability Information
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Vulnerability Title
free5GC hasProtocol Compliance Violation in UPF Leading to SMF Service Disruption
Source: NVD (National Vulnerability Database)
Vulnerability Description
free5GC is an open-source project for 5th generation (5G) mobile core networks. free5GC go-upf versions up to and including 1.2.6, corresponding to free5gc smf up to and including 1.4.0, have an Improper Input Validation and Protocol Compliance vulnerability leading to Denial of Service. Remote attackers can disrupt core network functionality by sending a malformed PFCP Association Setup Request. The UPF incorrectly accepts it, entering an inconsistent state that causes subsequent legitimate requests to trigger SMF reconnection loops and service degradation. All deployments of free5GC using the UPF and SMF components may be affected. As of time of publication, a fix is in development but not yet available. No direct workaround is available at the application level. Applying the official patch, once released, is recommended.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
输入验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
free5GC 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
free5GC是free5GC开源的一个第 5 代 (5G) 移动核心网络的开源项目。 free5GC存在输入验证错误漏洞，该漏洞源于输入验证和协议合规性不当，可能导致拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
free5gcgo-upf <= 1.2.6 -
free5gcsmf <= 1.4.0 -

II. Public POCs for CVE-2025-69232

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III. Intelligence Information for CVE-2025-69232

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Same Patch Batch · free5gc · 2026-02-23 · 7 CVEs total

CVE-2025-69208free5GC UDR's NEF incorrectly returns 500 for missing PFD data (UDR 404) in Nnef_PfdManage
CVE-2025-69247free5GC has Heap Buffer Overflow in UPF Leading to Denial of Service
CVE-2025-69248free5GC has Array Index Out of Bounds in AMF Leading to Denial of Service
CVE-2025-69250free5GC has Improper Error Handling in UDM, Leading to Information Exposure
CVE-2025-69251free5GC has Improper Input Validation in UDM, Leading to Information Exposure
CVE-2025-69252free5GC has Null Pointer Dereference in UDM, Leading to Service Panic

IV. Related Vulnerabilities

Same product: go-upf
Same vendor: free5gc
Same weakness: CWE-20

V. Comments for CVE-2025-69232

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