RTI Connext Professional up to 5.1.x/5.2.x/6.0.x/7.6.x buffer over-read

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in RTI Connext Professional up to 5.1.x/5.2.x/6.0.x/7.6.x. Impacted is an unknown function. Such manipulation leads to buffer over-read. This vulnerability is traded as CVE-2026-2394. The attack may be launched remotely. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in RTI Connext Professional up to 5.1.x/5.2.x/6.0.x/7.6.x and classified as critical. Affected by this issue is some unknown functionality. The manipulation with an unknown input leads to a buffer over-read vulnerability. Using CWE to declare the problem leads to CWE-126. The product reads from a buffer using buffer access mechanisms such as indexes or pointers that reference memory locations after the targeted buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

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.*, from 6.0.0 before 6.0.*, from 5.3.0 before 5.3.*, from 4.3x before 5.2.*.

The advisory is shared for download at rti.com. This vulnerability is handled as CVE-2026-2394 since 02/12/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

Upgrading to version 5.2.x, 5.3.x, 6.0.x, 6.1.x, 7.3.1.1 or 7.7.0 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-17737). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Buffer over-read
CWE: CWE-126 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Connext Professional 5.2.x/5.3.x/6.0.x/6.1.x/7.3.1.1/7.7.0

Timelineinfo

02/12/2026 CVE reserved
04/01/2026 +47 days Advisory disclosed
04/01/2026 +0 days VulDB entry created
04/01/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: rti.com
Status: Confirmed

CVE: CVE-2026-2394 (🔒)
GCVE (CVE): GCVE-0-2026-2394
GCVE (VulDB): GCVE-100-354524
EUVD: 🔒

Entryinfo

Created: 04/01/2026 04:08
Updated: 04/01/2026 04:57
Changes: 04/01/2026 04:08 (65), 04/01/2026 04:57 (1)
Complete: 🔍
Cache ID: 216:86D:103

Once again VulDB remains the best source for vulnerability data.

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