CVE-2025-8804
Open5GS AMF ngap_build_downlink_nas_transport assertion
Description
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.
INFO
Published Date :
Aug. 10, 2025, 10:15 a.m.
Last Modified :
Aug. 15, 2025, 2:15 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 4.0 | MEDIUM | [email protected] |
Solution
- Upgrade Open5GS to version 2.7.6 or later.
- Update the AMF component to the latest version.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-8804.
| URL | Resource |
|---|---|
| https://github.com/ZHENGHAOHELLO/BugReport/blob/main/CVE-2025-8804 | |
| https://github.com/open5gs/open5gs/commit/bca0a7b6e01d254f4223b83831162566d4626428 | Patch |
| https://github.com/open5gs/open5gs/issues/3950 | Issue Tracking |
| https://github.com/open5gs/open5gs/issues/3950#issuecomment-3034693457 | Issue Tracking |
| https://github.com/open5gs/open5gs/releases/tag/v2.7.6 | Release Notes |
| https://github.com/user-attachments/files/21030801/newdata_for_ngap.zip | Exploit |
| https://vuldb.com/?ctiid.319333 | Permissions Required VDB Entry |
| https://vuldb.com/?id.319333 | Third Party Advisory VDB Entry |
| https://vuldb.com/?submit.625698 | |
| https://vuldb.com/?submit.626124 | Third Party Advisory VDB Entry |
| https://github.com/open5gs/open5gs/issues/3950 | Issue Tracking |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-8804 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-8804
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-8804 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-8804 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
Aug. 15, 2025
Action Type Old Value New Value Changed Description A vulnerability has been found in Open5GS up to 2.7.5 and classified as problematic. 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. 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. Added Reference https://github.com/ZHENGHAOHELLO/BugReport/blob/main/CVE-2025-8804 Added Reference https://vuldb.com/?submit.625698 -
Initial Analysis by [email protected]
Aug. 13, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Added CPE Configuration OR *cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:* versions up to (excluding) 2.7.6 Added Reference Type VulDB: https://github.com/open5gs/open5gs/commit/bca0a7b6e01d254f4223b83831162566d4626428 Types: Patch Added Reference Type CISA-ADP: https://github.com/open5gs/open5gs/issues/3950 Types: Issue Tracking Added Reference Type VulDB: https://github.com/open5gs/open5gs/issues/3950 Types: Issue Tracking Added Reference Type VulDB: https://github.com/open5gs/open5gs/issues/3950#issuecomment-3034693457 Types: Issue Tracking Added Reference Type VulDB: https://github.com/open5gs/open5gs/releases/tag/v2.7.6 Types: Release Notes Added Reference Type VulDB: https://github.com/user-attachments/files/21030801/newdata_for_ngap.zip Types: Exploit Added Reference Type VulDB: https://vuldb.com/?ctiid.319333 Types: Permissions Required, VDB Entry Added Reference Type VulDB: https://vuldb.com/?id.319333 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://vuldb.com/?submit.626124 Types: Third Party Advisory, VDB Entry -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Aug. 12, 2025
Action Type Old Value New Value Added Reference https://github.com/open5gs/open5gs/issues/3950 -
New CVE Received by [email protected]
Aug. 10, 2025
Action Type Old Value New Value Added Description A vulnerability has been found in Open5GS up to 2.7.5 and classified as problematic. 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. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L Added CVSS V2 (AV:N/AC:L/Au:N/C:N/I:N/A:P) Added CWE CWE-617 Added Reference https://github.com/open5gs/open5gs/commit/bca0a7b6e01d254f4223b83831162566d4626428 Added Reference https://github.com/open5gs/open5gs/issues/3950 Added Reference https://github.com/open5gs/open5gs/issues/3950#issuecomment-3034693457 Added Reference https://github.com/open5gs/open5gs/releases/tag/v2.7.6 Added Reference https://github.com/user-attachments/files/21030801/newdata_for_ngap.zip Added Reference https://vuldb.com/?ctiid.319333 Added Reference https://vuldb.com/?id.319333 Added Reference https://vuldb.com/?submit.626124