CVE-2025-56394
HIGHCVSS 7.5/10EPSS 0.39%
Last modified
CVE-2025-56394 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Free5gc 4.0.1 is vulnerable to Buffer Overflow. The AMF incorrectly validates the 5GS mobile identity, resulting in slice reference overflow.. EPSS estimates a 0.39% chance of exploitation in the next 30 days.
Description
Free5gc 4.0.1 is vulnerable to Buffer Overflow. The AMF incorrectly validates the 5GS mobile identity, resulting in slice reference overflow.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Free5gc | Free5gc | 4.0.1 |
References
- https://gist.github.com/DDGod2025/532691e3e2db9b47c67c3d153c026e62Exploit, Third Party Advisory
- https://github.com/free5gc/free5gc/issues/690Exploit, Issue Tracking, Patch
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2025-56394?
Free5gc 4.0.1 is vulnerable to Buffer Overflow. The AMF incorrectly validates the 5GS mobile identity, resulting in slice reference overflow.
How severe is CVE-2025-56394?
CVE-2025-56394 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.39% probability of exploitation in the next 30 days.
How do I fix CVE-2025-56394?
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.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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Are you affected by CVE-2025-56394?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST