CVE-2025-15539

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.

CVSS v3 5.3 MEDIUM
CVSS v2.0 5.0 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://github.com/open5gs/open5gs/commit/b4707272c1caf6a7d4dca905694ea55557a0545f
https://github.com/open5gs/open5gs/issues/4230
https://github.com/open5gs/open5gs/issues/4230#issue-3774173079
https://vuldb.com/?ctiid.341732
https://vuldb.com/?id.341732
https://vuldb.com/?submit.735339

Configurations

No configuration.

History

19 Jan 2026, 00:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-01-19 00:15

Updated : 2026-01-26 15:05

NVD link : CVE-2025-15539

Mitre link : CVE-2025-15539

CVE.ORG link : CVE-2025-15539

JSON object : View

Products Affected

No product.

CWE

CWE-404

Improper Resource Shutdown or Release

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