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    CVE-2025-63679

    free5gc v4.1.0 and before is vulnerable to Buffer Overflow. When AMF receives an UplinkRANConfigurationTransfer NGAP message from a gNB, the AMF process crashes.

    Published:Nov 12, 2025
    Last Modified:Dec 31, 2025
    EPS:Nov 12, 2025
    EPSS Score:0.00061
    CVSS Score:9.8

    Affected Products

    Vendor
    Free5gc
    Product
    Free5gc

    Exploits

    https://gist.github.com/DDGod2025/5483d94b028d7a0c111ca23844e8a94dhttps://github.com/free5gc/free5gc/issues/725

    Related CVEs

    CVE-2026-55785 (CVSS 3.7) — free5GC is an open-source implementation of the 5G core network. Prior to 1.4.5, the AUSF component performs c…
    CVE-2026-55784 (CVSS 7.5) — free5GC is an open-source implementation of the 5G core network. In version 1.4.4 and earlier, the AUSF compon…
    CVE-2026-55068 (CVSS 9.3) — free5GC is an open-source implementation of the 5G core network. In 4.2.2 and earlier, the NRF RegisterNFInsta…
    CVE-2026-30069 (CVSS 7.5) — A NULL pointer dereference in the UDMC registration handler component of free5gc v4.0.1 allows attackers to ca…
    CVE-2026-30070 (CVSS 7.5) — An issue in the HandleGetSharedData function of free5gc v4.0.1 allows attackers to cause a Denial of Service (…
    CVE-2026-30050 (CVSS 7.5) — An issue in the ModifyAMFEventSubscriptionProcedure function (processor/event_exposure.go) of free5gc v4.1.0 a…
    CVE-2026-30051 (CVSS 7.5) — An issue in the CreateUEContextProcedure function (/v1/ue-contexts/{supi}) of free5gc v4.1.0 allows attackers …
    CVE-2026-30056 (CVSS 7.5) — A NULL pointer dereference in the AMF NGAP Dispatcher component of free5gc v4.0.1 allows attackers to cause a …
    CVE-2026-30067 (CVSS 7.5) — An issue in the complexQueryFilterSubprocess function in the NRF Discovery service of free5gc v4.0.1 allows at…
    CVE-2026-30062 (CVSS 7.5) — An issue in the NGAP handler of free5gc v4.0.1 allows attackers to cause a Denial of Service (DoS) via a craft…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High