Vulnerability · Published Aug 25, 2025 · Assigned by VulDB
CVE-2025-9405Open5GS gmm-sm.c gmm_state_exception assertion
Medium 5.3
In plain English
A medium-severity security flaw in Open5GS. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 52% of all known vulnerabilities).
Official description
A security flaw has been discovered in Open5GS up to 2.7.5. The impacted element is the function gmm_state_exception of the file src/amf/gmm-sm.c. The manipulation results in reachable assertion. It is possible to launch the attack remotely. The exploit has been released to the public and may be exploited. The patch is identified as 8e5fed16114f2f5e40bee1b161914b592b2b7b8f. Applying a patch is advised to resolve this issue.
Affected products (as reported)
Weakness: CWE-617 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
References
- VDB-321241 | Open5GS gmm-sm.c gmm_state_exception assertion vdb-entry, technical-description
- VDB-321241 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #633467 | Open5GS <= v2.7.5 Denial of Service third-party-advisory
- https://github.com/open5gs/open5gs/issues/3947 issue-tracking
- https://github.com/open5gs/open5gs/issues/3947#issuecomment-3029992728 issue-tracking
- https://github.com/user-attachments/files/21013084/amf_udm-uecm.zip exploit
- https://github.com/open5gs/open5gs/commit/8e5fed16114f2f5e40bee1b161914b592b2b7b8f patch
- https://github.com/ZHENGHAOHELLO/BugReport/blob/main/CVE-2025-9405 related