Denial of Service Vulnerability in Open5GS by Open5GS
CVE-2025-15418

4.8MEDIUM

Key Information:

Vendor

Open5GS

Status
Open5gs
Vendor
CVE Published:
1 January 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-15418?

A security flaw has been identified in Open5GS versions up to 2.7.6 that impacts the Bearer QoS IE Length Handler function, ogs_gtp2_parse_bearer_qos. This vulnerability allows for potential denial of service attacks initiated from a local position by manipulating specific parameters. The exploit has been publicly disclosed, emphasizing the urgency for users to apply the recommended patch, identified as commit 4e913d21f2c032b187815f063dbab5ebe65fe83a, to mitigate the risks associated with this vulnerability.

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-2025-15418 - Proof of Concept

References

https://vuldb.com/?id.339340
vdb-entrytechnical-description
https://vuldb.com/?ctiid.339340
signaturepermissions-required
https://vuldb.com/?submit.728043
third-party-advisory

CVSS V4

Score:
4.8
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Local
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

LinZiyu (VulDB User)
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