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CVE-2025-9405

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Date: August 24, 2025

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.

Severity Score

Related Resources (10)

https://github.com/ZHENGHAOHELLO/BugReport/blob/main/CVE-2025-9405
https://github.com/user-attachments/files/21013084/amf_udm-uecm.zip
https://vuldb.com/?id.321241
https://github.com/open5gs/open5gs/commit/8e5fed16114f2f5e40bee1b161914b592b2b7b8f
https://github.com/open5gs/open5gs/issues/3947#issuecomment-3029992728
https://vuldb.com/?submit.633467
https://nvd.nist.gov/vuln/detail/CVE-2025-9405
https://github.com/open5gs/open5gs/issues/3947
https://vuldb.com/?ctiid.321241
https://www.mend.io/vulnerability-database/CVE-2025-9405

Severity Score

Weakness Type (CWE)

Reachable Assertion

CWE-617

Top Fix

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Upgrade to version https://github.com/open5gs/open5gs.git - v2.7.6

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): HIGH
Availability (A): HIGH

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