How severe is CVE-2025-69248?

CVE-2025-69248 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-69248 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-69248?

CVE-2025-69248 affects Free5gc Amf. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-69248?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-69248 have an EU (EUVD) identifier?

Yes. CVE-2025-69248 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-207568.

When was CVE-2025-69248 published?

CVE-2025-69248 was published on 2026-02-23 and last updated on 2026-06-17.

CVE-2025-69248

CVE-2025-69248 is a high-severity vulnerability in Free5gc Amf with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-129.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v4: 6.6
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-207568
Weakness: CWE-129
Affected product: Free5gc Amf
Published: 2026-02-23
Last modified: 2026-06-17

Description

free5GC is an open-source project for 5th generation (5G) mobile core networks. Versions up to and including 1.4.1 of free5GC's AMF service have a Buffer Overflow vulnerability leading to Denial of Service. Remote unauthenticated attackers can crash the AMF service by sending a specially crafted NAS Registration Request with a malformed 5GS Mobile Identity, causing complete denial of service for the 5G core network. All deployments of free5GC using the AMF component may be affected. Pull request 43 of the free5gc/nas repo contains a fix. No direct workaround is available at the application level. Applying the official patch is recommended.

Frequently asked questions

What is CVE-2025-69248?: free5GC is an open-source project for 5th generation (5G) mobile core networks. Versions up to and including 1.4.1 of free5GC's AMF service have a Buffer Overflow vulnerability leading to Denial of Service. Remote unauthenticated attackers can crash the AMF service by sending a specially crafted NAS Registration Request with a malformed 5GS Mobile Identity, causing complete denial of service for the 5G core network. All deployments of free5GC using the AMF component may be affected. Pull request 43 of the free5gc/nas repo contains a fix. No direct workaround is available at the application level. Applying the official patch is recommended.
How severe is CVE-2025-69248?: CVE-2025-69248 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-69248 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-69248?: CVE-2025-69248 affects Free5gc Amf. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-69248?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-69248 have an EU (EUVD) identifier?: Yes. CVE-2025-69248 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-207568.
When was CVE-2025-69248 published?: CVE-2025-69248 was published on 2026-02-23 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:free5gc:amf:*:*:*:*:*:go:*:*

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