CVE-2025-56394

HIGH
Published Sep 23, 2025 Modified Oct 8, 2025 CWE-122

Description

Free5gc 4.0.1 is vulnerable to Buffer Overflow. The AMF incorrectly validates the 5GS mobile identity, resulting in slice reference overflow.

Is your site exposed to CVE-2025-56394?

Run a free security scan — no signup, results in seconds.

CVSS v3.1 Score

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

Weakness Type (CWE)

CWE-122 CWE-122

Affected Products

Vendor Product
free5gc free5gc

References

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. It has a CVSS v3.1 base score of 7.5 (HIGH).
How severe is CVE-2025-56394? +
CVE-2025-56394 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.
What products are affected by CVE-2025-56394? +
CVE-2025-56394 affects products from free5gc, specifically: free5gc. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2025-56394? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

Don't wait for an exploit

Scan your website for vulnerabilities like CVE-2025-56394 — free, no signup required.