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.
References
| Link | Resource |
|---|---|
| https://github.com/open5gs/open5gs/ | |
| https://github.com/open5gs/open5gs/commit/b4707272c1caf6a7d4dca905694ea55557a0545f | Patch |
| https://github.com/open5gs/open5gs/issues/4230 | Exploit Issue Tracking Vendor Advisory |
| https://github.com/open5gs/open5gs/issues/4230#issue-3774173079 | Exploit Issue Tracking Vendor Advisory |
| https://vuldb.com/?ctiid.341732 | Permissions Required VDB Entry |
| https://vuldb.com/?id.341732 | Third Party Advisory VDB Entry |
| https://vuldb.com/?submit.735339 | Third Party Advisory VDB Entry |
Configurations
History
23 Feb 2026, 09:16
| Type | Values Removed | Values Added |
|---|---|---|
| References |
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10 Feb 2026, 17:02
| Type | Values Removed | Values Added |
|---|---|---|
| First Time |
Open5gs open5gs
Open5gs |
|
| CPE | cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:* | |
| References | () https://github.com/open5gs/open5gs/commit/b4707272c1caf6a7d4dca905694ea55557a0545f - Patch | |
| References | () https://github.com/open5gs/open5gs/issues/4230 - Exploit, Issue Tracking, Vendor Advisory | |
| References | () https://github.com/open5gs/open5gs/issues/4230#issue-3774173079 - Exploit, Issue Tracking, Vendor Advisory | |
| References | () https://vuldb.com/?ctiid.341732 - Permissions Required, VDB Entry | |
| References | () https://vuldb.com/?id.341732 - Third Party Advisory, VDB Entry | |
| References | () https://vuldb.com/?submit.735339 - Third Party Advisory, VDB Entry |
19 Jan 2026, 00:15
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2026-01-19 00:15
Updated : 2026-02-23 09:16
NVD link : CVE-2025-15539
Mitre link : CVE-2025-15539
CVE.ORG link : CVE-2025-15539
JSON object : View
Products Affected
open5gs
- open5gs
CWE
CWE-404
Improper Resource Shutdown or Release