CVE-2025-69247

Name: CVE-2025-69247
Creator: NVD / NIST
Published: 2026-02-23T22:16:21.057+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 2.7/10EPSS 0.53%

Last modified Jun 17, 2026

CVE-2025-69247 is a low-severity vulnerability rated 2.7/10 on the CVSS scale. free5GC go-upf is the User Plane Function (UPF) implementation for 5G networks that is part of the free5GC project. Versions prior to 1.2.8 have a Heap-based Buffer Overflow (CWE-122) vulnerability leading to Denial of Service. EPSS estimates a 0.53% chance of exploitation in the next 30 days.

Description

free5GC go-upf is the User Plane Function (UPF) implementation for 5G networks that is part of the free5GC project. Versions prior to 1.2.8 have a Heap-based Buffer Overflow (CWE-122) vulnerability leading to Denial of Service. Remote attackers can crash the UPF network element by sending a specially crafted PFCP Session Modification Request with an invalid SDF Filter length field. This causes a heap buffer overflow, resulting in complete service disruption for all connected UEs and potential cascading failures affecting the SMF. All deployments of free5GC using the UPF component may be affected. Version 1.2.8 of go-upf contains a fix.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS 4.0

2.7/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.53%

40.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-122

Affected Software

Vendor	Product	Versions
Free5gc	Go-Upf	< 1.2.8

References

https://github.com/free5gc/free5gc/issues/746Exploit, Issue Tracking, Patch, Vendor Advisory
https://github.com/free5gc/free5gc/security/advisories/GHSA-gf69-93xr-p23gPatch, Vendor Advisory
https://github.com/free5gc/go-upf/commit/b798fe5ee6a984be492fa53958dd5f1305469f85Patch
https://github.com/free5gc/go-upf/pull/85Issue Tracking, Patch

Timeline

Published: Feb 23, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-69247?

How severe is CVE-2025-69247?

CVE-2025-69247 has a CVSS score of 2.7/10 (LOW severity). The EPSS model estimates a 0.53% probability of exploitation in the next 30 days.

How do I fix CVE-2025-69247?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-69247?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST