Vulnerability in Open5GS PFCP Session Establishment Request Handler
CVE-2025-15176

6.9MEDIUM

Key Information:

Vendor

Open5GS

Status
Open5gs
Vendor
CVE Published:
29 December 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-15176?

A vulnerability has been identified in Open5GS versions up to 2.7.5, specifically within the PFCP Session Establishment Request Handler. The flaw resides in the decode_ipv6_header function, where improper input handling may lead to reachable assertions. This issue can be exploited remotely, allowing attackers to manipulate session establishment requests. The vulnerability is documented in various security advisories and has an associated patch (b72d8349980076e2c033c8324f07747a86eea4f8) provided to address the issue, and users are strongly advised to implement this patch 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-2025-15176 - Proof of Concept

References

https://vuldb.com/?id.338561
vdb-entrytechnical-description
https://vuldb.com/?ctiid.338561
signaturepermissions-required
https://vuldb.com/?submit.719830
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

ZiyuLin (VulDB User)
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