How severe is CVE-2025-52288?

CVE-2025-52288 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-2025-52288 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-52288?

CVE-2025-52288 affects Open5gs. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-52288?

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-2025-52288 have an EU (EUVD) identifier?

Yes. CVE-2025-52288 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-27173.

When was CVE-2025-52288 published?

CVE-2025-52288 was published on 2025-09-08 and last updated on 2026-06-17.

CVE-2025-52288

CVE-2025-52288 is a high-severity vulnerability in Open5gs 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-400.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (36th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-27173
Weakness: CWE-400
Affected product: Open5gs
Published: 2025-09-08
Last modified: 2026-06-17

Description

Assertion failure in function ngap_build_downlink_nas_transport in file src/amf/ngap-build.c, the Access and Mobility Management Function (AMF) component, in Open5GS thru 2.7.5 allowing attackers to cause a denial of service or other unspecified impacts via repeated UE connect and disconnect message sequences.

Frequently asked questions

What is CVE-2025-52288?: Assertion failure in function ngap_build_downlink_nas_transport in file src/amf/ngap-build.c, the Access and Mobility Management Function (AMF) component, in Open5GS thru 2.7.5 allowing attackers to cause a denial of service or other unspecified impacts via repeated UE connect and disconnect message sequences.
How severe is CVE-2025-52288?: CVE-2025-52288 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-2025-52288 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-52288?: CVE-2025-52288 affects Open5gs. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-52288?: 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-2025-52288 have an EU (EUVD) identifier?: Yes. CVE-2025-52288 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-27173.
When was CVE-2025-52288 published?: CVE-2025-52288 was published on 2025-09-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*

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