Perceptive Security
SOC/SIEM Consultancy
An issue in Free5GC v.4.2.0 and before allows a remote attacker to cause a denial of service via the function HandleAuthenticationFailure of the component AMF
Published:
23 March 2026 at 23:00:00
Alert date:
24 March 2026 at 19:05:20
Source:
nvd.nist.gov
Mobile & IoT, Critical Infrastructure
A denial of service vulnerability in Free5GC version 4.2.0 and earlier allows remote attackers to disrupt service through the HandleAuthenticationFailure function in the AMF (Access and Mobility Management Function) component. This affects a critical 5G network infrastructure component that handles authentication and mobility management for mobile devices. The vulnerability could potentially impact 5G network availability and service quality for users.
Technical details
Mitigation steps:
Affected products:
Free5GC
Related links:
Related CVE's:
Related threat actors:
IOC's:
This article was created with the assistance of AI technology by Perceptive.