CVE-2025-15539

5.3 MEDIUM
Published: January 19, 2026 Modified: February 23, 2026
View on NVD

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://github.com/open5gs/open5gs/issues/4230
Source: cna@vuldb.com
Exploit Issue Tracking Vendor Advisory
https://github.com/open5gs/open5gs/issues/4230#issue-3774173079
Source: cna@vuldb.com
Exploit Issue Tracking Vendor Advisory
https://vuldb.com/?ctiid.341732
Source: cna@vuldb.com
Permissions Required VDB Entry
https://vuldb.com/?id.341732
Source: cna@vuldb.com
Third Party Advisory VDB Entry
https://vuldb.com/?submit.735339
Source: cna@vuldb.com
Third Party Advisory VDB Entry

7 reference(s) from NVD

Quick Stats

CVSS v3 Score
5.3 / 10.0
EPSS (Exploit Probability)
0.1%
16th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

open5gs