CVE-2025-65566

HighCVSS 7.5/10Last modified Oct 13, 2026

Description

A denial-of-service vulnerability exists in the omec-project UPF (pfcpiface component) in version upf-epc-pfcpiface:2.1.3-dev. When the UPF receives a PFCP Session Report Response that is missing the mandatory Cause Information Element, the session report handler dereferences a nil pointer instead of rejecting the malformed message. This triggers a panic and terminates the UPF process. An attacker who can send PFCP Session Report Response messages to the UPF's N4/PFCP endpoint can exploit this flaw to repeatedly crash the UPF and disrupt user-plane services.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-476

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://github.com/omec-project/upf/issues/958Exploit, Issue Tracking, Patch
https://github.com/omec-project/upf/issues/958Exploit, Issue Tracking, Patch

Timeline

Published: Dec 18, 2025
Last modified: Oct 13, 2026
NVD status: Analyzed

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