CVE-2025-69208— free5GC UDR's NEF incorrectly returns 500 for missing PFD data (UDR 404) in Nnef_PfdManagement GET request
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I. Basic Information for CVE-2025-69208
Vulnerability Information
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Vulnerability Title
free5GC UDR's NEF incorrectly returns 500 for missing PFD data (UDR 404) in Nnef_PfdManagement GET request
Source: NVD (National Vulnerability Database)
Vulnerability Description
free5GC UDR is the user data repository (UDR) for free5GC, an an open-source project for 5th generation (5G) mobile core networks. Versions prior to 1.4.1 contain an Improper Error Handling vulnerability with Information Exposure. All deployments of free5GC using the Nnef_PfdManagement service may be affected. The NEF component reliably leaks internal parsing errors (e.g., invalid character 'n' after top-level value) to remote clients. This can aid attackers in fingerprinting server software and logic flows. Version 1.4.1 fixes the issue. There is no direct workaround at the application level. The recommended mitigation is to apply the provided patch.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
通过错误消息导致的信息暴露
Source: NVD (National Vulnerability Database)
Vulnerability Title
free5GC 安全漏洞
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 1.4.1之前版本存在安全漏洞，该漏洞源于错误处理不当，可能导致信息泄露。
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
II. Public POCs for CVE-2025-69208
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Same Patch Batch · free5gc · 2026-02-23 · 7 CVEs total
| CVE-2025-69247 | free5GC has Heap Buffer Overflow in UPF Leading to Denial of Service | |
| CVE-2025-69248 | free5GC has Array Index Out of Bounds in AMF Leading to Denial of Service | |
| CVE-2025-69232 | free5GC hasProtocol Compliance Violation in UPF Leading to SMF Service Disruption | |
| CVE-2025-69250 | free5GC has Improper Error Handling in UDM, Leading to Information Exposure | |
| CVE-2025-69251 | free5GC has Improper Input Validation in UDM, Leading to Information Exposure | |
| CVE-2025-69252 | free5GC has Null Pointer Dereference in UDM, Leading to Service Panic |
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