CVE-2026-3894— Out-of-bounds Read vulnerability in RTI Connext Professional (Core Libraries) allows Overread Buffers.
Possible ATT&CK Techniques 2AI
T1190 · Exploit Public-Facing Application T1068 · Exploitation for Privilege EscalationAffected Version Matrix 6
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| RTI | Connext Professional | 7.4.0< 7.7.0 | affected |
7.0.0< 7.3.1.3 | affected | ||
6.1.0< 6.1.* | affected | ||
6.0.0< 6.0.* | affected | ||
5.3.0< 5.3.* | affected | ||
5.0.0< 5.2.* | affected |
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I. Basic Information for CVE-2026-3894
Vulnerability Information
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Vulnerability Title
Out-of-bounds Read vulnerability in RTI Connext Professional (Core Libraries) allows Overread Buffers.
Source: CVE Program / CVE List V5
Vulnerability Description
Out-of-bounds 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 7.3.1.3, from 6.1.0 before 6.1.*, from 6.0.0 before 6.0.*, from 5.3.0 before 5.3.*, from 5.0.0 before 5.2.*.
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:H/SC:N/SI:L/SA:H
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5
Vulnerability Title
RTI connext professional 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
RTI connext professional是美国RTI公司的一套实时数据通信中间件。 RTI connext professional存在缓冲区错误漏洞，该漏洞源于Core Libraries组件中的越界读取问题，允许缓冲区过度读取。以下版本受到影响：7.4.0至7.7.0之前版本、7.0.0至7.3.1.3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5.0.0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-2026-3894
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
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Same Patch Batch · RTI · 2026-06-17 · 8 CVEs total
| CVE-2026-7300 | Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in RT | |
| CVE-2026-2467 | Heap-based Buffer Overflow vulnerability in RTI Connext Professional (Core Libraries) allo | |
| CVE-2026-2675 | Missing Authentication for Critical Function vulnerability in RTI Connext Professional (Se | |
| CVE-2026-2674 | Out-of-bounds Write vulnerability in RTI Connext Professional (Queueing Service,Core Libra | |
| CVE-2026-30799 | Missing Authentication for Critical Function vulnerability in RTI Connext Professional (Se | |
| CVE-2026-30803 | Integer Underflow (Wrap or Wraparound) vulnerability in RTI Connext Micro (Core Libraries) | |
| CVE-2026-30802 | Out-of-bounds Read vulnerability in RTI Connext Micro (Core Libraries) allows Overread Buf |
IV. Related Vulnerabilities
Same product: Connext Professional
- CVE-2026-2674
Out-of-bounds Write vulnerability in RTI Connext Professiona - CVE-2026-30799
Missing Authentication for Critical Function vulnerability i - CVE-2026-7300
Buffer Copy without Checking Size of Input ('Classic Buffer - CVE-2026-2675
Missing Authentication for Critical Function vulnerability i - CVE-2026-2467
Heap-based Buffer Overflow vulnerability in RTI Connext Prof
Same vendor: RTI
- CVE-2026-2674
Out-of-bounds Write vulnerability in RTI Connext Professiona - CVE-2026-30803
Integer Underflow (Wrap or Wraparound) vulnerability in RTI - CVE-2026-30802
Out-of-bounds Read vulnerability in RTI Connext Micro (Core - CVE-2026-30799
Missing Authentication for Critical Function vulnerability i - CVE-2026-7300
Buffer Copy without Checking Size of Input ('Classic Buffer
Same weakness: CWE-125
- CVE-2026-11743
Missing negative-offset/overflow check in SF32LB MPI QSPI NO - CVE-2026-66151
SonicWall Global VPN Client 4.10.8.1108内核越界读取漏洞 - CVE-2026-65819
gopacket: Multiple layer decoders panic on crafted packets ( - CVE-2026-19082
Imager versions from 0.45_02 before 1.034 for Perl may expos - CVE-2026-20347
ClamAV Mach-O File Format Processing Memory Corruption Vulne
V. Comments for CVE-2026-3894
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