P4Verified

CVE-2025-65562: free5gc 4.1.0; +1 more affected products

CVE-2025-65562. CVSS 3.1 base score 7.5 (HIGH, Source advisory). EPSS 0.00562 (percentile 0.45127), scored 12-Oct-2026.

Affected technology

free5gc · 4.1.0
free5gc

n/a · n/a
Vendor not specified by the source

Component: Not specified by the source

Attack conditions (Source advisory, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

What an attacker can do

An unauthenticated remote attacker can send a request with a very large SEID (e.g., 0xFFFFFFFFFFFFFFFF) that causes an integer conversion/underflow in LocalNode.DeleteSess() / LocalNode.Sess() when a uint64 SEID is converted to int and used in index arithmetic. Source advisory’s CVSS 3.1 assessment (base score 7.5/10) rates confidentiality and integrity impact as none; availability impact as high.

Published 13-Oct-2026 13:57 UTC

CWE: CWE-129
CCR priority: 30.1 /100 (P4)
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 · Source advisory
EPSS: 0.00562 · percentile 0.45127 · 2026-10-12
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-13 13:56:14.349801+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2025-65562.html