SecuriTricks - CVE-2026-3894

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.*.

Product(s) Impacted

Vendor	Product	Versions
Rti	Connext Professional	<7.7.0, <7.3.1.3, <6.1., <6.0., <5.3., <5.2.

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-125

Out-of-bounds Read

The product reads data past the end, or before the beginning, of the intended buffer.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	rti	connext_professional	<7.7.0	/	/	/	/	/	/	/
a	rti	connext_professional	<7.3.1.3	/	/	/	/	/	/	/
a	rti	connext_professional	<6.1.*	/	/	/	/	/	/	/
a	rti	connext_professional	<6.0.*	/	/	/	/	/	/	/
a	rti	connext_professional	<5.3.*	/	/	/	/	/	/	/
a	rti	connext_professional	<5.2.*	/	/	/	/	/	/	/

References

https://www.rti.com/vulnerabilities/#cve-2026-3894

CVSS Score

9.2 / 10

CVSS Data - 4.0

Attack Vector: NETWORK
Attack Complexity: LOW
Attack Requirements: NONE
Privileges Required: NONE
User Interaction: NONE
Scope:
Confidentiality Impact: NONE
Integrity Impact: LOW
Availability Impact: HIGH
Exploit Maturity: NOT_DEFINED

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:L/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

View Vector String

Timeline

Published: June 17, 2026, 6:17 p.m.
Last Modified: June 17, 2026, 8:20 p.m.

Status : Undergoing Analysis

CVE is currently being analyzed by NVD staff, this process results in association of reference link tags, CVSS scores, CWE association, and CPE applicability statements.

More info

Source

3f572a00-62e2-4423-959a-7ea25eff1638

CVE-2026-3894