Denial of Service Vulnerability in Open5GS by Open5GS
CVE-2025-15529

6.9MEDIUM

Key Information:

Vendor

Open5GS

Status
Open5gs
Vendor
CVE Published:
16 January 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-15529?

A vulnerability exists in Open5GS affecting the functionality of sgwc_s5c_handle_create_session_response. This flaw can be exploited to cause a denial of service, potentially leading to significant disruption for users. The issue has been made public, and remote exploitation is feasible without requiring local access. Users of Open5GS version 2.7.6 should urgently apply the provided patch (b19cf6a2dbf5d30811be4488bf059c865bd7d1d2) to mitigate the risk.

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Deploy the Patch

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-2025-15529 - Proof of Concept

References

https://vuldb.com/?id.341596
vdb-entrytechnical-description
https://vuldb.com/?ctiid.341596
signaturepermissions-required
https://vuldb.com/?submit.728130
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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