Description
A vulnerability was determined in Open5GS up to 2.7.6. Impacted is the function sgwc_s11_handle_downlink_data_notification_ack of the file src/sgwc/s11-handler.c of the component sgwc. This manipulation causes denial of service. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized. Patch name: b4707272c1caf6a7d4dca905694ea55557a0545f. To fix this issue, it is recommended to deploy a patch. The issue report is flagged as already-fixed.
Metrics
CVSS 3.1 7.5/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | Open5GS | 2.7.0; 2.7.1; 2.7.2; 2.7.3; 2.7.4; 2.7.5; 2.7.6 |
References
- https://github.com/open5gs/open5gs/
- https://github.com/open5gs/open5gs/commit/b4707272c1caf6a7d4dca905694ea55557a0545fPatch
- https://github.com/open5gs/open5gs/issues/4230Exploit, Issue Tracking, Vendor Advisory
- https://github.com/open5gs/open5gs/issues/4230#issue-3774173079Exploit, Issue Tracking, Vendor Advisory
- https://vuldb.com/?ctiid.341732Permissions Required, VDB Entry
- https://vuldb.com/?id.341732Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.735339Third Party Advisory, VDB Entry
Timeline
- Published
- Jan 19, 2026
- Last modified
- Jun 17, 2026
- NVD status
- Modified