CVE-2025-9405

MEDIUM

Open5GS <2.7.5 - Reachable Assertion

Title source: llm
STIX 2.1

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.

References (8)

Core 8
Core References
Third Party Advisory, VDB Entry vdb-entry technical-description
https://vuldb.com/?id.321241
Permissions Required, VDB Entry signature permissions-required
https://vuldb.com/?ctiid.321241
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.633467
Exploit, Issue Tracking issue-tracking
https://github.com/open5gs/open5gs/issues/3947

Scores

CVSS v3 5.3
EPSS 0.0058
EPSS Percentile 43.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-617
Status published
Products (1)
open5gs/open5gs < 2.7.6
Published Aug 25, 2025
Tracked Since Feb 18, 2026