CVE-2025-15417: Open5GS GTPv2-C F-TEID s11-handler.c sgwc_s11_handle_create_session_request denial of service

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-01-01 · updated 2026-10-14
Weakness: CWE-404

Description

A vulnerability was identified in Open5GS up to 2.7.6. Affected is the function sgwc_s11_handle_create_session_request of the file src/sgwc/s11-handler.c of the component GTPv2-C F-TEID Handler. Such manipulation leads to denial of service. The attack must be carried out locally. The exploit is publicly available and might be used. The name of the patch is 465273d13ba5d47b274c38c9d1b07f04859178a1. A patch should be applied to remediate this issue.

Affected products

Open5GS: through 2.7.6

References

https://github.com/open5gs/open5gs/
https://github.com/open5gs/open5gs/commit/465273d13ba5d47b274c38c9d1b07f04859178a1
https://github.com/open5gs/open5gs/issues/4203
https://github.com/open5gs/open5gs/issues/4203#issue-3719257558
https://github.com/open5gs/open5gs/issues/4203#issuecomment-3681643498
https://vuldb.com/?ctiid.339339
https://vuldb.com/?id.339339
https://vuldb.com/?submit.727616
https://github.com/open5gs/open5gs/issues/4203#issue-3719257558

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