CVE-2026-1974
MEDIUMCVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Lifecycle Timeline
3Description
A vulnerability was identified in Free5GC up to 4.1.0. This affects the function ResolveNodeIdToIp of the file internal/sbi/processor/datapath.go of the component SMF. The manipulation leads to denial of service. Remote exploitation of the attack is possible. The exploit is publicly available and might be used. It is recommended to apply a patch to fix this issue.
Analysis
Free5GC versions up to 4.1.0 contain a denial of service vulnerability in the SMF component's ResolveNodeIdToIp function that can be exploited remotely without authentication. Public exploit code exists for this vulnerability, and no patch is currently available, leaving affected 5G network infrastructure at risk of service disruption.
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Remediation
Within 30 days: Identify affected systems running Free5GC and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.
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External POC / Exploit Code
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