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CVE-2026-48139— NULL pointer dereference vulnerability in NI grpc-device data moniker service

Quick assessment

Affected
NI grpc-device
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

NI grpc-device是美国NI公司的一个基于gRPC协议的服务器，它让用户能够通过网络远程调用NI硬件设备的驱动API，而不需要在本地安装NI的驱动软件或硬件。 NI grpc-device 2.17.0及之前版本存在异常处理不当漏洞，该漏洞源于data moniker服务中存在空指针取消引用，可能导致攻击者通过触发崩溃造成拒绝服务。

CVSS 7.5 · High EPSS 0.49% · P40

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 2

VendorProduct Version RangeStatus
NI grpc-device ≤ 2.17.0 affected
NI InstrumentStudio ≤ 26.3.0 affected
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I. Basic Information for CVE-2026-48139

Vulnerability Information
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Vulnerability Title
NULL pointer dereference vulnerability in NI grpc-device data moniker service
Source: CVE Program / CVE List V5
Vulnerability Description
There is a NULL pointer dereference vulnerability in NI grpc-device in the data moniker service that may allow an attacker to cause a denial of service by triggering a crash.  Successful exploitation requires an attacker to provide an unknown value to the data moniker service. This affects NI grpc-device 2.17.0 and prior versions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
空指针解引用
Source: CVE Program / CVE List V5
Vulnerability Title
NI grpc-device 异常处理不当漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
NI grpc-device是美国NI公司的一个基于gRPC协议的服务器，它让用户能够通过网络远程调用NI硬件设备的驱动API，而不需要在本地安装NI的驱动软件或硬件。 NI grpc-device 2.17.0及之前版本存在异常处理不当漏洞，该漏洞源于data moniker服务中存在空指针取消引用，可能导致攻击者通过触发崩溃造成拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
NI grpc-device 0 ~ 2.17.0 -
NI InstrumentStudio 0 ~ 26.3.0 -

II. Public POCs for CVE-2026-48139

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 9839 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
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Trigger conditions & impact
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Exploit chain & mitigation
POC zip download
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III. Intelligence Information for CVE-2026-48139

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Vendor Advisories for CVE-2026-48139 (2)

Same Patch Batch · NI · 2026-06-19 · 7 CVEs total

CVE-2026-48137 9.1 CRITICAL Untrusted pointer dereference in NI grpc-device sideband streaming API
CVE-2026-9142 9.1 CRITICAL Insecure Default Credentials vulnerability in NI grpc-device when TLS configuration is not
CVE-2026-48138 7.5 HIGH Out-of-bounds read vulnerability in the NI grpc-device streaming API
CVE-2026-48140 6.5 MEDIUM Unchecked enum cast vulnerability in NI grpc-device in BeginSidebandStream
CVE-2026-48141 5.3 MEDIUM Memory leak in NI grpc-device BeginSidebandStream
CVE-2026-9143 3.7 LOW Incorrect Conversion between Numeric Types in NI grpc-device due to missing range checks i

IV. Related Vulnerabilities

Same product: grpc-device
Same vendor: NI
Same weakness: CWE-476

V. Comments for CVE-2026-48139

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