CVE-2025-8804
MEDIUMopen5gs < 2.7.6 - Reachable Assertion in AMF ngap_build_downlink_nas_transport
Title source: llmDescription
A vulnerability was found in Open5GS up to 2.7.5. Affected by this vulnerability is the function ngap_build_downlink_nas_transport of the component AMF. The manipulation leads to reachable assertion. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 2.7.6 is able to address this issue. The identifier of the patch is bca0a7b6e01d254f4223b83831162566d4626428. It is recommended to upgrade the affected component.
References (10)
Core 10
Core References
Third Party Advisory, VDB Entry vdb-entry
technical-description
https://vuldb.com/?id.319333
Permissions Required, VDB Entry signature
permissions-required
https://vuldb.com/?ctiid.319333
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.626124
Permissions Required, VDB Entry third-party-advisory
https://vuldb.com/?submit.625698
Issue Tracking issue-tracking
https://github.com/open5gs/open5gs/issues/3950
Issue Tracking issue-tracking
https://github.com/open5gs/open5gs/issues/3950#issuecomment-3034693457
Release Notes patch
https://github.com/open5gs/open5gs/releases/tag/v2.7.6
Various Sources related
https://github.com/ZHENGHAOHELLO/BugReport/blob/main/CVE-2025-8804
Scores
CVSS v3
5.3
EPSS
0.0073
EPSS Percentile
49.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-617
Status
published
Products (1)
open5gs/open5gs
< 2.7.6
Published
Aug 10, 2025
Tracked Since
Feb 18, 2026