CVE-2025-52288

Name: CVE-2025-52288
Creator: NVD / NIST
Published: 2025-09-08T21:15:33.673+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.45%

Last modified Jun 17, 2026

CVE-2025-52288 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 0.45% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.45%

35.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-400

Affected Software

Vendor	Product	Versions
Open5gs	Open5gs	<= 2.7.5

References

https://github.com/ZHENGHAOHELLO/BugReport/blob/main/CVE-2025-52288Third Party Advisory
https://github.com/matejGradisar/open5gs/commit/5467da9763c300520f56bfbe0a7f5a7f980ec2f6Patch
https://github.com/open5gs/open5gs/issues/3862Exploit, Issue Tracking
https://github.com/open5gs/open5gs/issues/3862#issue-3006335547Exploit, Issue Tracking
https://github.com/open5gs/open5gs/issues/3862#issuecomment-2853458783Issue Tracking

Timeline

Published: Sep 8, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-52288?

How severe is CVE-2025-52288?

CVE-2025-52288 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.45% probability of exploitation in the next 30 days.

How do I fix CVE-2025-52288?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-52288?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST