CVE-2025-15539: Open5GS sgwc s11-handler.c sgwc_s11_handle_downlink_data_notification_ack denial of service
A vulnerability was determined in Open5GS up to 2.7.6. Impacted is the function sgwcs11handledownlinkdatanotificationack 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.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2025-15539?
The severity of CVE-2025-15539 is classified as a denial of service vulnerability.
How do I fix CVE-2025-15539?
To fix CVE-2025-15539, upgrade Open5GS to version 2.7.7 or later.
What versions of Open5GS are affected by CVE-2025-15539?
Open5GS versions up to and including 2.7.6 are affected by CVE-2025-15539.
What component does CVE-2025-15539 impact?
CVE-2025-15539 impacts the sgwc component of Open5GS.
What specific function is vulnerable in CVE-2025-15539?
The specific function vulnerable in CVE-2025-15539 is sgwc_s11_handle_downlink_data_notification_ack.