CVE-2025-15687
Description
A security flaw has been discovered in Open5GS up to 2.7.6. Impacted is the function smf_gx_cca_cb of the component SMF Diameter Gx Credit-Control-Answer Handler. The manipulation results in denial of service. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks. Upgrading to version 2.7.7 is recommended to address this issue. The patch is identified as f23d7a5e959acd8f37b925dc29b85f26b7d391cb. Upgrading the affected component is advised.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
Propose a mitigation on Community Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
References
- https://github.com/open5gs/open5gs/
- https://github.com/open5gs/open5gs/commit/f23d7a5e959acd8f37b925dc29b85f26b7d391cb
- https://github.com/open5gs/open5gs/issues/4027
- https://github.com/open5gs/open5gs/pull/4034
- https://github.com/open5gs/open5gs/releases/tag/v2.7.7
- https://github.com/user-attachments/files/21515527/SMF.crashes.zip
- https://vuldb.com/cve/CVE-2025-15687
- https://vuldb.com/submit/867119
- https://vuldb.com/vuln/387283
- https://vuldb.com/vuln/387283/cti
CWEs
CWE-404
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.