CVE-2025-9405 - CVE House

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Status published Medium CVE-2025-9405

Open5GS gmm-sm.c gmm_state_exception assertion

6.9 CVSS

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

ZYC010101 (VulDB User)
ZYC010101 (VulDB User)

References

More from n/a

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Affected Vendor

n/a

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Affected Software

Open5GS

Vulnerable Versions:

2.7.0, 2.7.1, 2.7.2, 2.7.3, 2.7.4, 2.7.5

Timeline

Official Publish: August 25th, 2025

Last Modified: August 31st, 2025

Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1499 Endpoint Denial of Service

T1190 Exploit Public-Facing Application

T1059 Command and Scripting Interpreter

T1562 Impair Defenses

Defense Evasion

T1485 Data Destruction