Open5GS up to 2.7.7 SMF smf_nsmf_handle_create_data_in_hsmf null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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3.9$0-$5k0.00

Summaryinfo

A vulnerability was found in Open5GS up to 2.7.7. It has been classified as problematic. Affected by this vulnerability is the function smf_nsmf_handle_create_data_in_hsmf of the component SMF. The manipulation leads to null pointer dereference. This vulnerability is traded as CVE-2026-8252. It is possible to initiate the attack remotely. Furthermore, there is an exploit available. The project was informed of the problem early through an issue report but has not responded yet.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Open5GS up to 2.7.7. This issue affects the function smf_nsmf_handle_create_data_in_hsmf of the component SMF. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is availability.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-8252. The exploitation is known to be easy. The attack may be initiated remotely. Technical details as well as a public exploit are known.

The exploit is available at github.com. It is declared as proof-of-concept. The project was informed of the problem early through an issue report but has not responded yet.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at CNNVD (CNNVD-202605-2402). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 3.9

VulDB Base Score: 4.3
VulDB Temp Score: 3.9
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / 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: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

05/10/2026 Advisory disclosed
05/10/2026 +0 days VulDB entry created
05/13/2026 +3 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 4446
Status: Not defined

CVE: CVE-2026-8252 (🔒)
GCVE (CVE): GCVE-0-2026-8252
GCVE (VulDB): GCVE-100-362549
CNNVD: CNNVD-202605-2402 - Open5GS 安全漏洞

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 05/10/2026 16:45
Updated: 05/13/2026 02:14
Changes: 05/10/2026 16:45 (56), 05/13/2026 02:14 (6)
Complete: 🔍
Submitter: FrankLin
Cache ID: 216::103

Submitinfo

Accepted

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