PT-2025-39188 · Free5Gc · Free5Gc

Ohnogood · Published 2025-09-23 · Updated 2025-10-08 · CVE-2025-56394

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Free5gc version 4.0.1

Description The AMF component contains a buffer overflow issue due to incorrect validation of the 5GS mobile identity, leading to a slice reference overflow.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Heap Based Buffer Overflow

Weakness Enumeration

CWE-122

Related Identifiers

CVE-2025-56394

Affected Products

Free5Gc

References · 8

• 🔥 https://gist.github.com/DDGod2025/532691e3e2db9b47c67c3d153c026e62 · Exploit
• https://github.com/free5gc/free5gc/issues/690 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2025-56394 · Security Note
• https://osv.dev/vulnerability/CVE-2025-56394 · Vendor Advisory
• https://t.me/cveNotify/137858 · Telegram Post
• https://t.me/CVEtracker/33182 · Telegram Post
• https://twitter.com/VulmonFeeds/status/1970593071432704047 · Twitter Post
• https://twitter.com/CVEnew/status/1970621835013505203 · Twitter Post