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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
mitreCNA
---
---
CISA-ADPADP
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 24%
VendorProductVersion
open5gsopen5gs
𝑥
≤ 2.7.5
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/ZHENGHAOHELLO/BugReport/blob/main/CVE-2025-52288
https://github.com/matejGradisar/open5gs/commit/5467da9763c300520f56bfbe0a7f5a7f980ec2f6
https://github.com/open5gs/open5gs/issues/3862
https://github.com/open5gs/open5gs/issues/3862#issue-3006335547
https://github.com/open5gs/open5gs/issues/3862#issuecomment-2853458783