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CVE-2025-69248

7.5 · HIGH

free5GC is an open-source project for 5th generation (5G) mobile core networks.

Published Feb 23, 2026CWE-129EPSS 0.60%

Overview

CVE-2025-69248 is a high-severity vulnerability. It was published on February 23, 2026 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

free5GC is an open-source project for 5th generation (5G) mobile core networks. Versions up to and including 1.4.1 of free5GC's AMF service have a Buffer Overflow vulnerability leading to Denial of Service. Remote unauthenticated attackers can crash the AMF service by sending a specially crafted NAS Registration Request with a malformed 5GS Mobile Identity, causing complete denial of service for the 5G core network. All deployments of free5GC using the AMF component may be affected. Pull request 43 of the free5gc/nas repo contains a fix. No direct workaround is available at the application level. Applying the official patch is recommended.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/free5gc/free5gc/issues/747GitHubgithub.com/free5gc/free5gc/security/advisories/GHSA-h6xc-8vvf-jcjpGitHubgithub.com/free5gc/nas/commit/0329a7ac3f314f210366c1b3c33dc29eded4ac5fGitHubgithub.com/free5gc/nas/pull/43

How CyberStrike helps

Frequently asked questions

What is CVE-2025-69248?

CVE-2025-69248 is a high-severity vulnerability. It was published on February 23, 2026 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2025-69248?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2025-69248?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2025-69248?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-69248 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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