Remote Code Execution Vulnerability in Open5GS from Open5GS
CVE-2025-9405

6.9MEDIUM

Key Information:

Vendor

Open5GS

Status
Open5gs
Vendor
CVE Published:
25 August 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-9405?

A security flaw in Open5GS affects versions up to 2.7.5, specifically within the gmm_state_exception function in src/amf/gmm-sm.c. This vulnerability allows for reachable assertion manipulation, enabling remote attacks. The exploit details have been made public, emphasizing the urgency for users to apply the patch identified as 8e5fed16114f2f5e40bee1b161914b592b2b7b8f to mitigate potential threats.

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Affected Version(s)

Open5GS 2.7.0

Open5GS 2.7.1

Open5GS 2.7.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-9405 - Proof of Concept

References

https://vuldb.com/?id.321241
vdb-entrytechnical-description
https://vuldb.com/?ctiid.321241
signaturepermissions-required
https://vuldb.com/?submit.633467
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

ZYC010101 (VulDB User)
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