CVE-2025-9405

A security flaw has been discovered in Open5GS up to 2.7.5. The impacted element is the function gmm_state_exception of the file src/amf/gmm-sm.c. The manipulation results in reachable assertion. It is possible to launch the attack remotely. The exploit has been released to the public and may be exploited. The patch is identified as 8e5fed16114f2f5e40bee1b161914b592b2b7b8f. Applying a patch is advised to resolve this issue.

• CWE-617

• https://github.com/ZHENGHAOHELLO/BugReport/blob/main/CVE-2025-9405Third Party Advisory
• https://github.com/open5gs/open5gs/commit/8e5fed16114f2f5e40bee1b161914b592b2b7b8fPatch
• https://github.com/open5gs/open5gs/issues/3947Exploit, Issue Tracking
• https://github.com/open5gs/open5gs/issues/3947#issuecomment-3029992728Issue Tracking
• https://github.com/user-attachments/files/21013084/amf_udm-uecm.zipProduct
• https://vuldb.com/?ctiid.321241Permissions Required, VDB Entry
• https://vuldb.com/?id.321241Third Party Advisory, VDB Entry
• https://vuldb.com/?submit.633467Third Party Advisory, VDB Entry
• https://github.com/open5gs/open5gs/issues/3947Exploit, Issue Tracking
• https://github.com/open5gs/open5gs/issues/3947#issuecomment-3029992728Issue Tracking
• https://vuldb.com/?submit.633467Third Party Advisory, VDB Entry

Published

Aug 25, 2025

Last Modified

Jun 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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