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CVE-2026-2394— Buffer Over-read vulnerability in RTI Connext Professional (Core Libraries) allows Overread Buffers.

Quick assessment

Affected
RTI Connext Professional
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

RTI Connext Professional是美国RTI公司的一个专为满足工业物联网 (IIoT) 的苛刻要求而设计的连接平台。 RTI Connext Professional存在安全漏洞，该漏洞源于缓冲区过度读取。以下版本受到影响：7.4.0至7.7.0之前版本、7.0.0至7.3.1.1之前版本、6.1.0至6.1.之前版本、6.0.0至6.0.之前版本、5.3.0至5.3.之前版本和4.3x至5.2.之前版本。

CVSS 4.8 · Medium EPSS 0.16% · P4

Possible ATT&CK Techniques 1 AI

T1200 · Hardware Additions

Affected Version Matrix 7

VendorProduct Version RangeStatus
RTI Connext Professional 7.4.0< 7.7.0 affected
7.0.0< 7.3.1.1 affected
6.1.0< 6.1.2.34 affected
6.0.0< 6.0.* affected
5.3.0< 5.3.* affected
5.2.0< 5.2.* affected
4.3x< 5.1.* affected
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I. Basic Information for CVE-2026-2394

Vulnerability Information
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Vulnerability Title
Buffer Over-read vulnerability in RTI Connext Professional (Core Libraries) allows Overread Buffers.
Source: CVE Program / CVE List V5
Vulnerability Description
Buffer Over-read vulnerability in RTI Connext Professional (Core Libraries) allows Overread Buffers. This issue affects Connext Professional: from 7.4.0 before 7.7.0, from 7.0.0 before 7.3.1.1, from 6.1.0 before 6.1.2.34, from 6.0.0 before 6.0.*, from 5.3.0 before 5.3.*, from 5.2.0 before 5.2.*, from 4.3x before 5.1.*.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
缓冲区上溢读取
Source: CVE Program / CVE List V5
Vulnerability Title
RTI Connext Professional 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
RTI Connext Professional是美国RTI公司的一个专为满足工业物联网 (IIoT) 的苛刻要求而设计的连接平台。 RTI Connext Professional存在安全漏洞，该漏洞源于缓冲区过度读取。以下版本受到影响：7.4.0至7.7.0之前版本、7.0.0至7.3.1.1之前版本、6.1.0至6.1.*之前版本、6.0.0至6.0.*之前版本、5.3.0至5.3.*之前版本和4.3x至5.2.*之前版本。
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
RTI Connext Professional 7.4.0 ~ 7.7.0 -

II. Public POCs for CVE-2026-2394

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III. Intelligence Information for CVE-2026-2394

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IV. Related Vulnerabilities

Same product: Connext Professional
Same vendor: RTI
Same weakness: CWE-126

V. Comments for CVE-2026-2394

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