Remote Assertion Vulnerability in Open5GS Network Functionality
CVE-2025-15531

6.9MEDIUM

Key Information:

Vendor

Open5GS

Status
Open5gs
Vendor
CVE Published:
17 January 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-15531?

A remote assertion vulnerability has been identified in Open5GS versions up to 2.7.5, specifically in the sgwc_bearer_add function within the src/sgwc/context.c file. This flaw allows attackers to manipulate the functionality, potentially leading to assertion failures. The exploit is accessible and may be utilized by adversaries. Although the issue has been addressed in later versions, users of the affected versions should take proactive measures to secure their systems to prevent exploitation.

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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-2025-15531 - Proof of Concept

References

https://vuldb.com/?id.341598
vdb-entrytechnical-description
https://vuldb.com/?ctiid.341598
signaturepermissions-required
https://vuldb.com/?submit.729339
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

LinZiyu (VulDB User)
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