Remote Code Execution Vulnerability in Open5GS AMF Component
CVE-2025-8804

6.9MEDIUM

Key Information:

Vendor

Open5GS

Status
Open5gs
Vendor
CVE Published:
10 August 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-8804?

A vulnerability in the ngap_build_downlink_nas_transport function of the Open5GS AMF allows for reachable assertion, which can be exploited remotely. An attacker could potentially disrupt service or execute unauthorized actions. This flaw affects all versions of Open5GS up to 2.7.5, and it is essential to upgrade to version 2.7.6 or later to mitigate the risk. The vulnerability has been publicly disclosed, making it critical for users to act quickly to secure their systems.

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-2025-8804 - Proof of Concept

References

https://vuldb.com/?id.319333
vdb-entrytechnical-description
https://vuldb.com/?ctiid.319333
signaturepermissions-required
https://vuldb.com/?submit.626124
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

lixxxiang (VulDB User)
.
CVE-2025-8804 : Remote Code Execution Vulnerability in Open5GS AMF Component