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CVE-2026-5661
Published: Apr 6, 2026
Modified: Apr 6, 2026
PUBLISHED
CVSS v3.1
5.3
MEDIUM
Description
A vulnerability was identified in Free5GC 4.2.0. This affects an unknown function of the component NGSetupRequest Handler. Such manipulation leads to denial of service. The attack may be launched remotely. The exploit is publicly available and might be used.
| Vendor | Product | Versions |
|---|---|---|
n/a | Free5GC | affected 4.2.0 |
Weaknesses (CWE)
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
References
VDB-355485 | CTI Indicators (IOB, IOC, TTP)
signature
permissions-required
Submit #785896 | Linux Foundation free5GC 4.2.0 State Synchronization Error
third-party-advisory
https://github.com/free5gc/free5gc/issues/832
issue-tracking
https://github.com/free5gc/amf/pull/201
issue-tracking
patch
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