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CVE-2025-15539

MEDIUM

5.3

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.

CVE Details

CVSS v3.1 Score5.3

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published1/19/2026

Last Modified2/23/2026

Sourcenvd

Honeypot Sightings0

Affected Products

open5gs:open5gs

Weaknesses (CWE)

CWE-404

References

https://github.com/open5gs/open5gs/(cna@vuldb.com)

https://github.com/open5gs/open5gs/commit/b4707272c1caf6a7d4dca905694ea55557a0545f(cna@vuldb.com)

https://github.com/open5gs/open5gs/issues/4230(cna@vuldb.com)

https://github.com/open5gs/open5gs/issues/4230#issue-3774173079(cna@vuldb.com)

https://vuldb.com/?ctiid.341732(cna@vuldb.com)

https://vuldb.com/?id.341732(cna@vuldb.com)

https://vuldb.com/?submit.735339(cna@vuldb.com)

IOC Correlations

No correlations recorded

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