EUVD-2026-67119
GHSA-f24f-gf52-825j
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CHF API is network-accessible with no authentication required; impact is purely availability via resource exhaustion with no confidentiality or integrity effect.
Primary rating from Vendor (mitre).
CVSS VectorVendor: mitre
Lifecycle Timeline
4DescriptionCVE.org
An issue in the RechargePut function of free5gc v4.0.1 allows attackers to cause a Denial of Service (DoS) via a crafted input.
AnalysisAI
Denial of Service in free5gc v4.0.1 allows remote unauthenticated attackers to crash or disrupt the 5G core network by sending crafted input to the RechargePut function. The root cause is CWE-770 (Allocation of Resources Without Limits or Throttling), meaning the function fails to bound resource consumption when processing malformed payloads. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | free5gc v4.0.1 must be deployed and the charging function (CHF) HTTP interface must be network-reachable by the attacker. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | CVSS 7.5 High reflects a worst-case configuration where the 5G core API is network-accessible without authentication, yielding high availability impact. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | No vendor-released patch has been identified at time of analysis - the reference points to a GitHub issue (#760) rather than a merged pull request or tagged release. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, identify all instances of free5gc v4.0.1 in production and development environments and assess whether the RechargePut function is externally accessible. …
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External POC / Exploit Code
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