Open5GS up to 2.7.6 GTPv2 Bearer Response denial of service

CVSS Meta Temp Score
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CTI Interest Score
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5.9$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Open5GS up to 2.7.6. Affected by this issue is some unknown functionality of the component GTPv2 Bearer Response Handler. Performing a manipulation results in denial of service. This vulnerability is known as CVE-2025-15528. Remote exploitation of the attack is possible. Furthermore, an exploit is available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability classified as problematic has been found in Open5GS up to 2.7.6. This affects some unknown functionality of the component GTPv2 Bearer Response Handler. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability.

It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2025-15528. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are unknown but a public exploit is available. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

The exploit is shared for download at github.com. It is declared as proof-of-concept.

Applying the patch 98f76e98df35cd6a35e868aa62715db7f8141ac1 is able to eliminate this problem. The bugfix is ready for download at github.com.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-206296). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 6.0
VulDB Meta Temp Score: 5.9

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔒

CNA Base Score: 5.3
CNA Vector: 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: 98f76e98df35cd6a35e868aa62715db7f8141ac1

Timelineinfo

01/16/2026 Advisory disclosed
01/16/2026 +0 days VulDB entry created
02/09/2026 +24 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 4225
Status: Confirmed

CVE: CVE-2025-15528 (🔒)
GCVE (CVE): GCVE-0-2025-15528
GCVE (VulDB): GCVE-100-341595
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 01/16/2026 17:41
Updated: 02/09/2026 21:59
Changes: 01/16/2026 17:41 (58), 01/17/2026 03:34 (1), 01/17/2026 13:18 (31), 02/09/2026 21:59 (11)
Complete: 🔍
Submitter: ZiyuLin
Cache ID: 216::103

Submitinfo

Accepted

Duplicate

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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