Denial of Service Vulnerability in Open5GS by Open5GS
CVE-2025-15528

6.9MEDIUM

Key Information:

Vendor

Open5GS

Status
Open5gs
Vendor
CVE Published:
16 January 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-15528?

A vulnerability has been identified in Open5GS, specifically within the GTPv2 Bearer Response Handler. This flaw allows an attacker to exploit an unknown functionality, resulting in denial of service. The vulnerability can be remotely manipulated, making its exploitation especially concerning. Publicly disclosed, it emphasizes the importance of prompt remediation. Users are advised to apply the patch 98f76e98df35cd6a35e868aa62715db7f8141ac1 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-2025-15528 - Proof of Concept

References

https://vuldb.com/?id.341595
vdb-entry
https://vuldb.com/?ctiid.341595
signaturepermissions-required
https://vuldb.com/?submit.728128
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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